APA (7th ed.) Citation

Downs, M. (2020). INVENTION OF THE COMBUSTION ENGINE. Rourke Educational Media.

Chicago Style (17th ed.) Citation

Downs, Mike. INVENTION OF THE COMBUSTION ENGINE. North Mankato, Minnesota: Rourke Educational Media, 2020.

MLA (9th ed.) Citation

Downs, Mike. INVENTION OF THE COMBUSTION ENGINE. Rourke Educational Media, 2020.