University, U. c. S. L. (1969). Cadet Col. John Martel, a member of the Parks Guard, May 11, 1969.
Chicago Style (17. basım) AtıfUniversity, Unknown creator; St. Louis. Cadet Col. John Martel, a Member of the Parks Guard, May 11, 1969. 1969.
MLA (8th ed.) AtıfUniversity, Unknown creator; St. Louis. Cadet Col. John Martel, a Member of the Parks Guard, May 11, 1969. 1969.
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