Cita APA (7a ed.)

Yancey, K. B. (1992). Portfolios in the writing classroom: An introduction. National Council of Teachers of English.

Cita Chicago Style (17a ed.)

Yancey, Kathleen Blake. Portfolios in the Writing Classroom: An Introduction. Urbana: National Council of Teachers of English, 1992.

Cita MLA (9a ed.)

Yancey, Kathleen Blake. Portfolios in the Writing Classroom: An Introduction. National Council of Teachers of English, 1992.