APA (7th ed.) Citation

Faegri, K., & Pijl, L. v. d. (1979). The principles of pollination ecology (3rd rev. ed.). Pergamon Press.

Chicago Style (17th ed.) Citation

Faegri, Knut, and L. van der Pijl. The Principles of Pollination Ecology. 3rd rev. ed. Oxford: Pergamon Press, 1979.

MLA (9th ed.) Citation

Faegri, Knut, and L. van der Pijl. The Principles of Pollination Ecology. 3rd rev. ed. Pergamon Press, 1979.