APA aipamena

Bowers, N. A. (1942). Cone-bearing trees of the Pacific coast. Whittlesey house, McGraw-Hill book company, inc..

Chicago Style aipamena

Bowers, Nathan A. Cone-bearing Trees of the Pacific Coast. New York, ; London,: Whittlesey house, McGraw-Hill book company, inc., 1942.

MLA aipamena

Bowers, Nathan A. Cone-bearing Trees of the Pacific Coast. Whittlesey house, McGraw-Hill book company, inc., 1942.