APA

Geller E. J., Robinson B. L., Matthews C. A., Celauro K. P., Dunivan G. C., Crane A. K., Ivins A. R., Woodham P. C. & Fielding J. R. (20141229). Perineal body length as a risk factor for ultrasound-diagnosed anal sphincter tear at first delivery. : International urogynecology journal.

Chicago

Geller E J, Robinson B L, Matthews C A, Celauro K P, Dunivan G C, Crane A K, Ivins A R, Woodham P C and Fielding J R. 20141229. Perineal body length as a risk factor for ultrasound-diagnosed anal sphincter tear at first delivery. : International urogynecology journal.

Harvard

Geller E. J., Robinson B. L., Matthews C. A., Celauro K. P., Dunivan G. C., Crane A. K., Ivins A. R., Woodham P. C. and Fielding J. R. (20141229). Perineal body length as a risk factor for ultrasound-diagnosed anal sphincter tear at first delivery. : International urogynecology journal.

MLA

Geller E J, Robinson B L, Matthews C A, Celauro K P, Dunivan G C, Crane A K, Ivins A R, Woodham P C and Fielding J R. Perineal body length as a risk factor for ultrasound-diagnosed anal sphincter tear at first delivery. : International urogynecology journal. 20141229.