Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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