APA (7th ed.) Citation

Ruggiero, V. R. (2009). Becoming a critical thinker (6th ed.). Wadsworth/Cengage Learning.

Chicago Style (17th ed.) Citation

Ruggiero, Vincent Ryan. Becoming a Critical Thinker. 6th ed. Australia: Wadsworth/Cengage Learning, 2009.

MLA (9th ed.) Citation

Ruggiero, Vincent Ryan. Becoming a Critical Thinker. 6th ed. Wadsworth/Cengage Learning, 2009.