APA (7th ed.) Citation

Avila, V. L. (1992). Biology: A human endeavor. Bookmark.

Chicago Style (17th ed.) Citation

Avila, Vernon L. Biology: A Human Endeavor. California: Bookmark, 1992.

MLA (9th ed.) Citation

Avila, Vernon L. Biology: A Human Endeavor. Bookmark, 1992.

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