Cita APA (7a ed.)

Guskey, T. R. (1997). Implementing mastery learning (2nd ed.). Wadsworth.

Cita Chicago Style (17a ed.)

Guskey, Thomas R. Implementing Mastery Learning. 2nd ed. Belmont [etc.]: Wadsworth, 1997.

Cita MLA (9a ed.)

Guskey, Thomas R. Implementing Mastery Learning. 2nd ed. Wadsworth, 1997.