APA (7th ed.) Citation

(1974). Hormones and embryonic development. Pergamon Press [u.a.].

Chicago Style (17th ed.) Citation

Hormones and Embryonic Development. Oxford [u.a.]: Pergamon Press [u.a.], 1974.

MLA (9th ed.) Citation

Hormones and Embryonic Development. Pergamon Press [u.a.], 1974.