APA (7th ed.) Citation

Seymour, H., & Mills, D. S. (1989). Baseball: The early years. Oxford University Press.

Chicago Style (17th ed.) Citation

Seymour, Harold, and Dorothy Seymour Mills. Baseball: The Early Years. New York: Oxford University Press, 1989.

MLA (9th ed.) Citation

Seymour, Harold, and Dorothy Seymour Mills. Baseball: The Early Years. Oxford University Press, 1989.