Cita APA (7th ed.)

Keenan, J. (1982). Feel free to write. Wily & Sons.

Cita Chicago (17th ed.)

Keenan, John. Feel Free to Write. New York: Wily & Sons, 1982.

Cita MLA (9th ed.)

Keenan, John. Feel Free to Write. Wily & Sons, 1982.