APA (7th ed.) Citation

Meyer, R. B. (2010). The First Airplane Diesel Engine: Packard Model DR-980 of 1928. Project Gutenberg.

Chicago Style (17th ed.) Citation

Meyer, Robert B. The First Airplane Diesel Engine: Packard Model DR-980 of 1928. Project Gutenberg, 2010.

MLA (9th ed.) Citation

Meyer, Robert B. The First Airplane Diesel Engine: Packard Model DR-980 of 1928. Project Gutenberg, 2010.

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