APA (7th ed.) Citation

Skarstrom, W. (1921). Gymnastic teaching (2d rev. and enl. ed.). American physical education association.

Chicago Style (17th ed.) Citation

Skarstrom, William. Gymnastic Teaching. 2d rev. and enl. ed. Springfield, Mass: American physical education association, 1921.

MLA (9th ed.) Citation

Skarstrom, William. Gymnastic Teaching. 2d rev. and enl. ed. American physical education association, 1921.