APA (7th ed.) Citation

(1930). The American journal of police science. [Verlag nicht ermittelbar].

Chicago Style (17th ed.) Citation

The American Journal of Police Science. Chicago, Ill: [Verlag nicht ermittelbar], 1930.

MLA (9th ed.) Citation

The American Journal of Police Science. [Verlag nicht ermittelbar], 1930.

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