APA (7th ed.) Citation

Mackerle, J. (1961). Air-cooled Motor Engines.

Chicago Style (17th ed.) Citation

Mackerle, Julius. Air-cooled Motor Engines. 1961.

MLA (9th ed.) Citation

Mackerle, Julius. Air-cooled Motor Engines. 1961.

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