Cita APA (7a ed.)

Alexander, L., & Tadman, J. (1972). Target 1. Longman.

Cita Chicago Style (17a ed.)

Alexander, L.G, y J. Tadman. Target 1. London: Longman, 1972.

Cita MLA (8a ed.)

Alexander, L.G, y J. Tadman. Target 1. Longman, 1972.