Citazione Stile APA (7a Edizione)

Pullmann, D. E. (1978). An Inside Look at the Copyright Office Cataloging System (COPICS).

Citazione stile Chigago Style (17a edizione)

Pullmann, David E. An Inside Look at the Copyright Office Cataloging System (COPICS). 1978.

Citatione MLA (9a ed.)

Pullmann, David E. An Inside Look at the Copyright Office Cataloging System (COPICS). 1978.