APA (7th ed.) Citation

Snyder, T., Wheeler, F., Smith, H. B., & Tilley, H. C., Jr. (2003). By the Sapphire Sea. Project Gutenberg.

Chicago Style (17th ed.) Citation

Snyder, Ted, Francis Wheeler, Harry B. Smith, and Herbert C. Tilley, Jr. By the Sapphire Sea. Project Gutenberg, 2003.

MLA (9th ed.) Citation

Snyder, Ted, et al. By the Sapphire Sea. Project Gutenberg, 2003.

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