Cita APA (7a ed.)

Coutts, J., Coutts, N., & Rae, W. (1986). The world. Heinemann Educational Books.

Cita Chicago Style (17a ed.)

Coutts, J.M, N.C Coutts, y W.P Rae. The World. London: Heinemann Educational Books, 1986.

Cita MLA (9a ed.)

Coutts, J.M, et al. The World. Heinemann Educational Books, 1986.