APA (7th ed.) Citation

Piekałkiewicz, J. (1991). BMW motorcycles in World War II, R12/R75. Schiffer Pub..

Chicago Style (17th ed.) Citation

Piekałkiewicz, Janusz. BMW Motorcycles in World War II, R12/R75. West Chester, PA: Schiffer Pub., 1991.

MLA (9th ed.) Citation

Piekałkiewicz, Janusz. BMW Motorcycles in World War II, R12/R75. Schiffer Pub., 1991.

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