APA (7th ed.) Citation

Elsevier Science (Firm). Placenta. W.B. Saunders.

Chicago Style (17th ed.) Citation

Elsevier Science (Firm). Placenta. London ; Philadelphia: W.B. Saunders.

MLA (9th ed.) Citation

Elsevier Science (Firm). Placenta. W.B. Saunders.

Warning: These citations may not always be 100% accurate.