Cita APA (7th ed.)
Gibson, C. (1966). Spain in America ([1st ed.].). Harper & Row.
Cita Chicago (17th ed.)
Gibson, Charles. Spain in America. [1st ed.]. New York: Harper & Row, 1966.
Cita MLA (9th ed.)
Gibson, Charles. Spain in America. [1st ed.]. Harper & Row, 1966.
Atenció: Aquestes cites poden no estar 100% correctes.