APA (7th ed.) Citation

Givens, J. D., & Allison, A. M. (2011). San Francisco in Ruins. Project Gutenberg.

Chicago Style (17th ed.) Citation

Givens, J. D., and A. M. Allison. San Francisco in Ruins. Project Gutenberg, 2011.

MLA (9th ed.) Citation

Givens, J. D., and A. M. Allison. San Francisco in Ruins. Project Gutenberg, 2011.

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