Cita APA (7th ed.)

Ehrhardt, V. P. (2011). Anthem critical thinking and writing skills: An introductory guide. Anthem Press.

Cita Chicago (17th ed.)

Ehrhardt, Victoria Pontzer. Anthem Critical Thinking and Writing Skills: An Introductory Guide. London ; New York: Anthem Press, 2011.

Cita MLA (9th ed.)

Ehrhardt, Victoria Pontzer. Anthem Critical Thinking and Writing Skills: An Introductory Guide. Anthem Press, 2011.