Citazione APA

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

Stile di citazione Chicago

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

Citazione MLA

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