Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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