APA (7th ed.) Citation

Walton, J. (1940). An introduction to the study of fossil plants. Adam & Charles Black.

Chicago Style (17th ed.) Citation

Walton, John. An Introduction to the Study of Fossil Plants. London: Adam & Charles Black, 1940.

MLA (9th ed.) Citation

Walton, John. An Introduction to the Study of Fossil Plants. Adam & Charles Black, 1940.

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