APA (7th ed.) Citation

Fearnsides, W. G., & Bulman, O. M. B. (1945). Geology in the service of man. Penguin Books.

Chicago Style (17th ed.) Citation

Fearnsides, William George, and Oliver Meredith Boone Bulman. Geology in the Service of Man. Harmondsworth, Middlesex, England: Penguin Books, 1945.

MLA (9th ed.) Citation

Fearnsides, William George, and Oliver Meredith Boone Bulman. Geology in the Service of Man. Penguin Books, 1945.