Gibson, C. (1966). Spain in America ([1st ed.].). Harper & Row.
Chicago Style (17th ed.) ZitazioaGibson, Charles. Spain in America. [1st ed.]. New York: Harper & Row, 1966.
MLA (9th ed.) ZitazioaGibson, Charles. Spain in America. [1st ed.]. Harper & Row, 1966.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.