APA (7th ed.) Citation

Cooper, S., & Patton, R. (1993). Ergo: Thinking critically and writing logically. Harper Collins College Publishers.

Chicago Style (17th ed.) Citation

Cooper, Sheila, and Rosemary Patton. Ergo: Thinking Critically and Writing Logically. New York: Harper Collins College Publishers, 1993.

MLA (9th ed.) Citation

Cooper, Sheila, and Rosemary Patton. Ergo: Thinking Critically and Writing Logically. Harper Collins College Publishers, 1993.