APA (7th ed.) Citation

Bower, F. O. (1967). The origin of a land flora: A theory based upon the facts of alternation. Hafner.

Chicago Style (17th ed.) Citation

Bower, F. O. The Origin of a Land Flora: A Theory Based upon the Facts of Alternation. New York, USA: Hafner, 1967.

MLA (9th ed.) Citation

Bower, F. O. The Origin of a Land Flora: A Theory Based upon the Facts of Alternation. Hafner, 1967.