APA (7th ed.) Citation

Rosen, E. (2012). In the Foreign Legion. Project Gutenberg.

Chicago Style (17th ed.) Citation

Rosen, Erwin. In the Foreign Legion. Project Gutenberg, 2012.

MLA (9th ed.) Citation

Rosen, Erwin. In the Foreign Legion. Project Gutenberg, 2012.

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