Cita APA (7a ed.)

Abbs, B., Cook, V., & Underwood, M. (1985). Authentic english for reading 1. Oxford University Press.

Cita Chicago Style (17a ed.)

Abbs, Brian, Vivian Cook, y Mary Underwood. Authentic English for Reading 1. Oxford: Oxford University Press, 1985.

Cita MLA (8a ed.)

Abbs, Brian, et al. Authentic English for Reading 1. Oxford University Press, 1985.