APA (7th ed.) Citation

Westcott, J. H. (1930). Oil, its conservation and waste (4th ed.). Beacon publishing company.

Chicago Style (17th ed.) Citation

Westcott, James Horatio. Oil, Its Conservation and Waste. 4th ed. New York: Beacon publishing company, 1930.

MLA (9th ed.) Citation

Westcott, James Horatio. Oil, Its Conservation and Waste. 4th ed. Beacon publishing company, 1930.

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