APA

Wilsmore A. J., Izzard K. A., Dagnall G. J., Wilsmore B. C. & Woodland R. M. (19901017). Protection of ewes vaccinated with A22 strain Chlamydia psittaci (ovis) against challenge in pregnancy with homologous and heterologous strains of the organism. : The British veterinary journal.

Chicago

Wilsmore A J, Izzard K A, Dagnall G J, Wilsmore B C and Woodland R M. 19901017. Protection of ewes vaccinated with A22 strain Chlamydia psittaci (ovis) against challenge in pregnancy with homologous and heterologous strains of the organism. : The British veterinary journal.

Harvard

Wilsmore A. J., Izzard K. A., Dagnall G. J., Wilsmore B. C. and Woodland R. M. (19901017). Protection of ewes vaccinated with A22 strain Chlamydia psittaci (ovis) against challenge in pregnancy with homologous and heterologous strains of the organism. : The British veterinary journal.

MLA

Wilsmore A J, Izzard K A, Dagnall G J, Wilsmore B C and Woodland R M. Protection of ewes vaccinated with A22 strain Chlamydia psittaci (ovis) against challenge in pregnancy with homologous and heterologous strains of the organism. : The British veterinary journal. 19901017.