Cita APA (7a ed.)

Brumfit, C., Moon, J., & Tongue, R. Teaching english to children: From practice to principle.

Cita Chicago Style (17a ed.)

Brumfit, Christopher, Jayne Moon, y Ray Tongue. Teaching English to Children: From Practice to Principle.

Cita MLA (8a ed.)

Brumfit, Christopher, et al. Teaching English to Children: From Practice to Principle.