APA citiranje

Burton, R., & Chinery, M. (1983). Purnell's pocket concise encyclopedia of nature. Purnell.

Chicago Style (17th ed.) Citation

Burton, Robert, and Michael Chinery. Purnell's Pocket Concise Encyclopedia of Nature. Bristol: Purnell, 1983.

MLA citiranje

Burton, Robert, and Michael Chinery. Purnell's Pocket Concise Encyclopedia of Nature. Purnell, 1983.