APA (7th ed.) Citation

Service, R. W. (2008). Songs of a Sourdough. Project Gutenberg.

Chicago Style (17th ed.) Citation

Service, Robert W. Songs of a Sourdough. Project Gutenberg, 2008.

MLA (9th ed.) Citation

Service, Robert W. Songs of a Sourdough. Project Gutenberg, 2008.

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