APA (7th ed.) Citation

Thomas, L. (1956). Seven wonders of the world ([1st ed.].). Hanover House.

Chicago Style (17th ed.) Citation

Thomas, Lowell. Seven Wonders of the World. [1st ed.]. Garden City, N.Y.: Hanover House, 1956.

MLA (9th ed.) Citation

Thomas, Lowell. Seven Wonders of the World. [1st ed.]. Hanover House, 1956.