APA (7th ed.) Citation

Spivak, J. L. (2007). Secret Armies The New Technique of Nazi Warfare. Project Gutenberg.

Chicago Style (17th ed.) Citation

Spivak, John L. Secret Armies The New Technique of Nazi Warfare. Project Gutenberg, 2007.

MLA (9th ed.) Citation

Spivak, John L. Secret Armies The New Technique of Nazi Warfare. Project Gutenberg, 2007.

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