APA Citation

Gambrill, E., & Gibbs, L. (2009). Critical thinking for helping professionals: A skills-based workbook (3rd ed.). Oxford: Oxford University.

Chicago Style Citation

Gambrill, Eileen, and Leonard Gibbs. Critical Thinking for Helping Professionals: A Skills-based Workbook. 3rd ed. Oxford: Oxford University, 2009.

MLA Citation

Gambrill, Eileen, and Leonard Gibbs. Critical Thinking for Helping Professionals: A Skills-based Workbook. 3rd ed. Oxford: Oxford University, 2009.

Warning: These citations may not always be 100% accurate.