APA Zitierstil

Cullen, J., & Davis, P. H. (1979). Identification of flowering plant families (Ed.2.).

Chicago Zitierstil

Cullen, J., und P H. Davis. Identification of Flowering Plant Families. Ed.2. Cambridge, Cambridge University Press, 1979.

MLA Zitierstil

Cullen, J., und P H. Davis. Identification of Flowering Plant Families. Ed.2. 1979.