Cita APA (7th ed.)

Shea, V. N., & Whitla, W. (2001). Foundations: Critical thinking, reading, and writing. Prentice Hall.

Cita Chicago (17th ed.)

Shea, Victor Norman, i William Whitla. Foundations: Critical Thinking, Reading, and Writing. Toronto: Prentice Hall, 2001.

Cita MLA (9th ed.)

Shea, Victor Norman, i William Whitla. Foundations: Critical Thinking, Reading, and Writing. Prentice Hall, 2001.