APA (7th ed.) Citation

Arber, E. A. N., & Arber, A. R. (1921). Devonian floras: A study of the origin of Cormophyta. The University Press.

Chicago Style (17th ed.) Citation

Arber, E. A. Newell, and Agnes Robertson Arber. Devonian Floras: A Study of the Origin of Cormophyta. Cambridge: The University Press, 1921.

MLA (9th ed.) Citation

Arber, E. A. Newell, and Agnes Robertson Arber. Devonian Floras: A Study of the Origin of Cormophyta. The University Press, 1921.