APA način citiranja

Lawn, A. M., Chiquoine, A. D., & Amoroso, E. C. (1969). The development of the placenta in the sheep and goat: An electron microscope study.

Čikaški stil citiranja

Lawn, A M., A D. Chiquoine, i E C. Amoroso. The Development of the Placenta in the Sheep and Goat: An Electron Microscope Study. 1969.

MLA način citiranja

Lawn, A M., A D. Chiquoine, i E C. Amoroso. The Development of the Placenta in the Sheep and Goat: An Electron Microscope Study. 1969.