Cita APA (7a ed.)

Bannon, S. H., & Haglund, K. E. (1991). Unlocking the Easy Collection: A Key to Literature across the Curriculum.

Cita Chicago Style (17a ed.)

Bannon, Susan H., y Karen E. Haglund. Unlocking the Easy Collection: A Key to Literature Across the Curriculum. 1991.

Cita MLA (9a ed.)

Bannon, Susan H., y Karen E. Haglund. Unlocking the Easy Collection: A Key to Literature Across the Curriculum. 1991.