Cita APA

Coelho, P. 1., & Clarke, A. R. (1998). The valkyries: An encounter with angels (1. edition.). New York, N.Y.: HarperPerennial.

Citación estilo Chicago

Coelho, Paulo 1947-, y Alan R. Clarke. The Valkyries: An Encounter With Angels. 1. edition. New York, N.Y.: HarperPerennial, 1998.

Cita MLA

Coelho, Paulo 1947-, y Alan R. Clarke. The Valkyries: An Encounter With Angels. 1. edition. New York, N.Y.: HarperPerennial, 1998.