Cita APA

Pijl, L. v. d. 1., & Faegri, K. (1979). The principles of pollination ecology (3. revised edition.). Oxford: Pergamon Press.

Citación estilo Chicago

Pijl, Leendert van der 1903-1990, y Knut Faegri. The Principles of Pollination Ecology. 3. revised edition. Oxford: Pergamon Press, 1979.

Cita MLA

Pijl, Leendert van der 1903-1990, y Knut Faegri. The Principles of Pollination Ecology. 3. revised edition. Oxford: Pergamon Press, 1979.