Cita APA

Smith, R. E., & Smoll, F. L. (1978). Psychological perspectives in youth sports. Hemisphere.

Citación estilo Chicago

Smith, Ronald E., y Frank L. Smoll. Psychological Perspectives in Youth Sports. Washington: Hemisphere, 1978.

Cita MLA

Smith, Ronald E., y Frank L. Smoll. Psychological Perspectives in Youth Sports. Hemisphere, 1978.