Cita APA

Van Loon, H. W. (1932). Van Loon's Geography: The story of the world we live in. New York: Simon and Schuster.

Citación estilo Chicago

Van Loon, Hendrik Willem. Van Loon's Geography: The Story of the World We Live in. New York: Simon and Schuster, 1932.

Cita MLA

Van Loon, Hendrik Willem. Van Loon's Geography: The Story of the World We Live in. New York: Simon and Schuster, 1932.