Cita APA

Pickering, M., Smith, P. R., & Sturrock, D. (1996). The art of singing: Golden voices of the century. USA: NVC ARTS.

Citación estilo Chicago

Pickering, Mark, Peter R. Smith, y Donald Sturrock. The Art of Singing: Golden Voices of the Century. USA: NVC ARTS, 1996.

Cita MLA

Pickering, Mark, Peter R. Smith, y Donald Sturrock. The Art of Singing: Golden Voices of the Century. USA: NVC ARTS, 1996.