APA
De Aguilar M. A., Altamirano L., Leon D. A., De Fung R. C., Grillo A. E., Gonzalez J. D., Canales J. R., Sanchez J. d. C., Pozuelos J. L., Ramirez L., Rigionni R., Salgado J. S., Torres L., Vallecillos G., Zambrano E. J. & Zea C. (19980120). Current status of injectable hormonal contraception, with special reference to the monthly method. : Advances in contraception : the official journal of the Society for the Advancement of Contraception.
Chicago
De Aguilar M A, Altamirano L, Leon D A, De Fung R C, Grillo A E, Gonzalez J D, Canales J R, Sanchez J del C, Pozuelos J L, Ramirez L, Rigionni R, Salgado J S, Torres L, Vallecillos G, Zambrano E J and Zea C. 19980120. Current status of injectable hormonal contraception, with special reference to the monthly method. : Advances in contraception : the official journal of the Society for the Advancement of Contraception.
Harvard
De Aguilar M. A., Altamirano L., Leon D. A., De Fung R. C., Grillo A. E., Gonzalez J. D., Canales J. R., Sanchez J. d. C., Pozuelos J. L., Ramirez L., Rigionni R., Salgado J. S., Torres L., Vallecillos G., Zambrano E. J. and Zea C. (19980120). Current status of injectable hormonal contraception, with special reference to the monthly method. : Advances in contraception : the official journal of the Society for the Advancement of Contraception.
MLA
De Aguilar M A, Altamirano L, Leon D A, De Fung R C, Grillo A E, Gonzalez J D, Canales J R, Sanchez J del C, Pozuelos J L, Ramirez L, Rigionni R, Salgado J S, Torres L, Vallecillos G, Zambrano E J and Zea C. Current status of injectable hormonal contraception, with special reference to the monthly method. : Advances in contraception : the official journal of the Society for the Advancement of Contraception. 19980120.