Cita APA (7a ed.)

Seymour, H. (1960). Baseball: The early years. Oxford University Press.

Cita Chicago Style (17a ed.)

Seymour, Harold. Baseball: The Early Years. New York: Oxford University Press, 1960.

Cita MLA (9a ed.)

Seymour, Harold. Baseball: The Early Years. Oxford University Press, 1960.