APA (7th ed.) Citation

(1988). Orang-utan biology. Oxford Univ. Press.

Chicago Style (17th ed.) Citation

Orang-utan Biology. New York [u.a.]: Oxford Univ. Press, 1988.

MLA (9th ed.) Citation

Orang-utan Biology. Oxford Univ. Press, 1988.

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