APA (7th ed.) Citation

Patch, E. M., & Sim, R. J. (2008). Bird Stories. Project Gutenberg.

Chicago Style (17th ed.) Citation

Patch, Edith M., and Robert J. Sim. Bird Stories. Project Gutenberg, 2008.

MLA (9th ed.) Citation

Patch, Edith M., and Robert J. Sim. Bird Stories. Project Gutenberg, 2008.

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