Cita APA (7a ed.)

Carey, R. J. P. (1971). Making Libraries Easy To Use: A Systems Approach.

Cita Chicago Style (17a ed.)

Carey, R. J. P. Making Libraries Easy To Use: A Systems Approach. 1971.

Cita MLA (9a ed.)

Carey, R. J. P. Making Libraries Easy To Use: A Systems Approach. 1971.