APA (7th ed.) Citation

King, B., & Flagg, J. M. (2007). The Letter of the Contract. Project Gutenberg.

Chicago Style (17th ed.) Citation

King, Basil, and James Montgomery Flagg. The Letter of the Contract. Project Gutenberg, 2007.

MLA (9th ed.) Citation

King, Basil, and James Montgomery Flagg. The Letter of the Contract. Project Gutenberg, 2007.

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