Cita APA

Hendrie, G., Bray, T., & Rutter, J. (1978). Introduction to music. Open University.

Citación estilo Chicago

Hendrie, Gerald, Trevor Bray, and John Rutter. Introduction to Music. Buckingham: Open University, 1978.

Cita MLA

Hendrie, Gerald, et al. Introduction to Music. Open University, 1978.