APA

Marshall R. G., Schmitt C. J. & Woodford P. E. (1971). La fuente hispana. New York: McGraw-Hill.

Chicago

Marshall Randall G, Schmitt Conrad J and Woodford Protase E. 1971. La fuente hispana. New York: McGraw-Hill.

Harvard

Marshall R. G., Schmitt C. J. and Woodford P. E. (1971). La fuente hispana. New York: McGraw-Hill.

MLA

Marshall Randall G, Schmitt Conrad J and Woodford Protase E. La fuente hispana. New York: McGraw-Hill. 1971.