APA (7th ed.) Citation

(1961). Walther PP Selbstlade-Pistolen. Carl Walther Sportswaffenfabrik Ulm/Donau.

Chicago Style (17th ed.) Citation

Walther PP Selbstlade-Pistolen. Ulm, Germany: Carl Walther Sportswaffenfabrik Ulm/Donau, 1961.

MLA (9th ed.) Citation

Walther PP Selbstlade-Pistolen. Carl Walther Sportswaffenfabrik Ulm/Donau, 1961.

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