APA (7th ed.) Citation

Rolt-Wheeler, F., & Federer, C. A. (2007). Plotting in Pirate Seas. Project Gutenberg.

Chicago Style (17th ed.) Citation

Rolt-Wheeler, Francis, and C. A. Federer. Plotting in Pirate Seas. Project Gutenberg, 2007.

MLA (9th ed.) Citation

Rolt-Wheeler, Francis, and C. A. Federer. Plotting in Pirate Seas. Project Gutenberg, 2007.

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