APA استشهاد

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

استشهاد بنمط شيكاغو

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

MLA استشهاد

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