Cita APA (7th ed.)

Paul, R., & Elder, L. (2007). How to write a paragraph: The art of substantive writing. Foundation for Critical Thinking Press.

Cita Chicago (17th ed.)

Paul, Richard, i Linda Elder. How to Write a Paragraph: The Art of Substantive Writing. Tomales, Calif.: Foundation for Critical Thinking Press, 2007.

Cita MLA (9th ed.)

Paul, Richard, i Linda Elder. How to Write a Paragraph: The Art of Substantive Writing. Foundation for Critical Thinking Press, 2007.