APA (7th ed.) Citation

Spencer, A. (1999). Alone at sea: The adventures of Joshua Slocum. Firefly Books.

Chicago Style (17th ed.) Citation

Spencer, Ann. Alone at Sea: The Adventures of Joshua Slocum. Buffalo, N.Y. ; [Willowdale, Ont.]: Firefly Books, 1999.

MLA (9th ed.) Citation

Spencer, Ann. Alone at Sea: The Adventures of Joshua Slocum. Firefly Books, 1999.