Cita APA

Moon, E. 1., & Nyren, K. 1. (1970). Library issues: The sixties. New York, New York: R R Bowker.

Citación estilo Chicago

Moon, Eric 1923-, y Karl 1921- Nyren. Library Issues: The Sixties. New York, New York: R R Bowker, 1970.

Cita MLA

Moon, Eric 1923-, y Karl 1921- Nyren. Library Issues: The Sixties. New York, New York: R R Bowker, 1970.