APA (7th ed.) Citation

Faegri, K., & Pijl, L. v. d. (1966). The principles of pollination ecology ([1st ed.].). Pergamon Press.

Chicago Style (17th ed.) Citation

Faegri, Knut, and L. van der Pijl. The Principles of Pollination Ecology. [1st ed.]. Toronto, New York: Pergamon Press, 1966.

MLA (9th ed.) Citation

Faegri, Knut, and L. van der Pijl. The Principles of Pollination Ecology. [1st ed.]. Pergamon Press, 1966.