APA (7th ed.) Citation

Day, W. H. (1966). Petroleum marketing practices and problems. Commercial Pub.

Chicago Style (17th ed.) Citation

Day, William Henry. Petroleum Marketing Practices and Problems. Tulsa, Okla: Commercial Pub, 1966.

MLA (9th ed.) Citation

Day, William Henry. Petroleum Marketing Practices and Problems. Commercial Pub, 1966.

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