APA (7th ed.) Citation

Appel, A. (2008). S.T.E.P. (smooth transitions with extensive progressions). Healthy Learning.

Chicago Style (17th ed.) Citation

Appel, Abbie. S.T.E.P. (smooth Transitions with Extensive Progressions). Monterey, CA: Healthy Learning, 2008.

MLA (9th ed.) Citation

Appel, Abbie. S.T.E.P. (smooth Transitions with Extensive Progressions). Healthy Learning, 2008.