APA (7th ed.) Citation

Harper, J. L. (1987). Population biology of plants (7. print.). Acad. Press.

Chicago Style (17th ed.) Citation

Harper, John L. Population Biology of Plants. 7. print. London [u.a.]: Acad. Press, 1987.

MLA (9th ed.) Citation

Harper, John L. Population Biology of Plants. 7. print. Acad. Press, 1987.