Cita APA (7a ed.)

Abbs, B., Freebairn, I., & Elsworth, S. (1995). Discoveries. Longman.

Cita Chicago Style (17a ed.)

Abbs, Brian, Ingrid Freebairn, y Steve Elsworth. Discoveries. Buenos Aires: Longman, 1995.

Cita MLA (8a ed.)

Abbs, Brian, et al. Discoveries. Longman, 1995.