APA引文

Skarstrom, W. (1921). Gymnastic teaching ([2d. ed.].). American physical education association.

Chicago Style (17th ed.) Citation

Skarstrom, William. Gymnastic Teaching. [2d. ed.]. Springfield, Mass.: American physical education association, 1921.

MLA引文

Skarstrom, William. Gymnastic Teaching. [2d. ed.]. American physical education association, 1921.