APA (7th ed.) Citation

Obert, E. F. (1968). Internal combustion engines / by E.F. Obert (3rd ed.). International Textbook Co.

Chicago Style (17th ed.) Citation

Obert, E. F. Internal Combustion Engines / by E.F. Obert. 3rd ed. International Textbook Co, 1968.

MLA (9th ed.) Citation

Obert, E. F. Internal Combustion Engines / by E.F. Obert. 3rd ed. International Textbook Co, 1968.

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