Cita APA (7a ed.)

Atwell, N. (1987). In the middle: Writing, reading, and learning with adolescents. Heinemann.

Cita Chicago Style (17a ed.)

Atwell, Nancie. In the Middle: Writing, Reading, and Learning with Adolescents. Portsmouth: Heinemann, 1987.

Cita MLA (9a ed.)

Atwell, Nancie. In the Middle: Writing, Reading, and Learning with Adolescents. Heinemann, 1987.