APA (7th ed.) Citation

Aschoff, J. (1981). Biological rhythms. Plenum Press.

Chicago Style (17th ed.) Citation

Aschoff, Jürgen. Biological Rhythms. New York: Plenum Press, 1981.

MLA (9th ed.) Citation

Aschoff, Jürgen. Biological Rhythms. Plenum Press, 1981.

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