APA (7th ed.) Citation

Willemstein, S. (1987). An evolutionary basis for pollination ecology. Leiden University Press.

Chicago Style (17th ed.) Citation

Willemstein, S.C. An Evolutionary Basis for Pollination Ecology. Leiden: Leiden University Press, 1987.

MLA (9th ed.) Citation

Willemstein, S.C. An Evolutionary Basis for Pollination Ecology. Leiden University Press, 1987.

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