APA (7th ed.) Citation

Sheffield, J. (1990). An introduction to marine outboard engines (1st draft ed.). Wet Paper Publications.

Chicago Style (17th ed.) Citation

Sheffield, Jim. An Introduction to Marine Outboard Engines. 1st draft ed. Ashmore, Qld.: Wet Paper Publications, 1990.

MLA (8th ed.) Citation

Sheffield, Jim. An Introduction to Marine Outboard Engines. 1st draft ed. Wet Paper Publications, 1990.

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