Citazione APA

Faegri, K., & Pijl, L. V. (1979). Principles of pollination ecology (3rd rev. ed.). Pergamon Press.

Stile di citazione Chicago

Faegri, K., e L. Vander Pijl. Principles of Pollination Ecology. 3rd rev. ed. Oxford: Pergamon Press, 1979.

Citazione MLA

Faegri, K., e L. Vander Pijl. Principles of Pollination Ecology. 3rd rev. ed. Pergamon Press, 1979.