APA (7th ed.) Citation

Bierce, A., & Pope, B. C. (2011). The Letters of Ambrose Bierce With a Memoir by George Sterling. Project Gutenberg.

Chicago Style (17th ed.) Citation

Bierce, Ambrose, and Bertha Clark Pope. The Letters of Ambrose Bierce With a Memoir by George Sterling. Project Gutenberg, 2011.

MLA (9th ed.) Citation

Bierce, Ambrose, and Bertha Clark Pope. The Letters of Ambrose Bierce With a Memoir by George Sterling. Project Gutenberg, 2011.

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