APA (7th ed.) Citation

Faegri, K., & Pijl, L. V. D. (1966). The priciples of pollination ecology. Pergamon Press.

Chicago Style (17th ed.) Citation

Faegri, Knut, and L. Van Der Pijl. The Priciples of Pollination Ecology. Toronto: Pergamon Press, 1966.

MLA (9th ed.) Citation

Faegri, Knut, and L. Van Der Pijl. The Priciples of Pollination Ecology. Pergamon Press, 1966.