Cita APA (7a ed.)

Allen, E. (1951). Baseball: Techniques illustrated. A.S. Barnes.

Cita Chicago Style (17a ed.)

Allen, Ethan. Baseball: Techniques Illustrated. New York: A.S. Barnes, 1951.

Cita MLA (9a ed.)

Allen, Ethan. Baseball: Techniques Illustrated. A.S. Barnes, 1951.