APA (7th ed.) Citation

Trask, P. D., & Patnode, H. W. (1942). Source beds of petroleum. The American association of petroleum geologists.

Chicago Style (17th ed.) Citation

Trask, Parker D., and Homer Whitman Patnode. Source Beds of Petroleum. Tulsa, Okla.: The American association of petroleum geologists, 1942.

MLA (9th ed.) Citation

Trask, Parker D., and Homer Whitman Patnode. Source Beds of Petroleum. The American association of petroleum geologists, 1942.

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