APA (7th ed.) Citation

Twain, M., & Roorda, E. P. (2018). Twain at Sea: The Maritime Writings of Samuel Langhorne Clemens.

Chicago Style (17th ed.) Citation

Twain, Mark, and Eric Paul Roorda. Twain at Sea: The Maritime Writings of Samuel Langhorne Clemens. 2018.

MLA (9th ed.) Citation

Twain, Mark, and Eric Paul Roorda. Twain at Sea: The Maritime Writings of Samuel Langhorne Clemens. 2018.

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