APA (7th ed.) Citation

Walton, J. (1958). An introduction to the study of fossil plants (2d ed.). A. & C. Black.

Chicago Style (17th ed.) Citation

Walton, John. An Introduction to the Study of Fossil Plants. 2d ed. London: A. & C. Black, 1958.

MLA (8th ed.) Citation

Walton, John. An Introduction to the Study of Fossil Plants. 2d ed. A. & C. Black, 1958.