APA (7th ed.) Citation

Slocum, J., & Philbrick, T. (1999). Sailing alone around the world. Penguin Books.

Chicago Style (17th ed.) Citation

Slocum, Joshua, and Thomas Philbrick. Sailing Alone Around the World. New York: Penguin Books, 1999.

MLA (9th ed.) Citation

Slocum, Joshua, and Thomas Philbrick. Sailing Alone Around the World. Penguin Books, 1999.