APA (7th ed.) Citation

Lincoln, J. C. (2011). The Postmaster. Project Gutenberg.

Chicago Style (17th ed.) Citation

Lincoln, Joseph Crosby. The Postmaster. Project Gutenberg, 2011.

MLA (9th ed.) Citation

Lincoln, Joseph Crosby. The Postmaster. Project Gutenberg, 2011.

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