Shelton, F., & Tate, L. (1939). Puzzle pages. McCormick-Mathers Pub. Co..
Chicago Style (17th ed.) CitationShelton, Fredonia, i Lottie Tate. Puzzle Pages. Wichita, Kan.: McCormick-Mathers Pub. Co., 1939.
Cita MLAShelton, Fredonia, i Lottie Tate. Puzzle Pages. McCormick-Mathers Pub. Co., 1939.
Atenció: Aquestes cites poden no estar 100% correctes.