APA (7th ed.) Citation

Roosevelt, T., & Goldsmith, W. (2012). The Foolish Almanak. Project Gutenberg.

Chicago Style (17th ed.) Citation

Roosevelt, Theodore, and Wallace Goldsmith. The Foolish Almanak. Project Gutenberg, 2012.

MLA (9th ed.) Citation

Roosevelt, Theodore, and Wallace Goldsmith. The Foolish Almanak. Project Gutenberg, 2012.

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