APA-Zitierstil (7. Ausg.)

Ruggiero, V. R. (2012). Becoming a critical thinker (7. ed.). Wadsworth.

Chicago-Zitierstil (17. Ausg.)

Ruggiero, Vincent Ryan. Becoming a Critical Thinker. 7. ed. Boston, MA: Wadsworth, 2012.

MLA-Zitierstil (9. Ausg.)

Ruggiero, Vincent Ryan. Becoming a Critical Thinker. 7. ed. Wadsworth, 2012.