APA (7th ed.) Citation

Oppenheimer, S. B., & Lefevre, G. (1989). Introduction to embryonic development. Allyn and Bacon.

Chicago Style (17th ed.) Citation

Oppenheimer, Steven B., and George Lefevre. Introduction to Embryonic Development. Allyn and Bacon, 1989.

MLA (8th ed.) Citation

Oppenheimer, Steven B., and George Lefevre. Introduction to Embryonic Development. Allyn and Bacon, 1989.

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