APA (7th ed.) Citation

Spiegel, E. (2010). The Adventures of the U-202: An Actual Narrative. Project Gutenberg.

Chicago Style (17th ed.) Citation

Spiegel, E. The Adventures of the U-202: An Actual Narrative. Project Gutenberg, 2010.

MLA (9th ed.) Citation

Spiegel, E. The Adventures of the U-202: An Actual Narrative. Project Gutenberg, 2010.

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