APA Citation

Faegri, K., & Pijl, L. V. D. (1979). The Principles of pollination ecology.

Chicago Style Citation

Faegri, Knut, and Leendert Van Der Pijl. The Principles of Pollination Ecology. 1979.

MLA Citation

Faegri, Knut, and Leendert Van Der Pijl. The Principles of Pollination Ecology. 1979.

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