APA (7th ed.) Citation

Packer, G. N. (2011). Our Calendar. Project Gutenberg.

Chicago Style (17th ed.) Citation

Packer, George Nichols. Our Calendar. Project Gutenberg, 2011.

MLA (9th ed.) Citation

Packer, George Nichols. Our Calendar. Project Gutenberg, 2011.

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