Citazione Stile APA (7a Edizione)

MacDonald, R. W., & Elrod, J. M. (1973). An Approach to Developing Computer Catalogs.

Citazione stile Chigago Style (17a edizione)

MacDonald, Robin W., e J. McRee Elrod. An Approach to Developing Computer Catalogs. 1973.

Citatione MLA (9a ed.)

MacDonald, Robin W., e J. McRee Elrod. An Approach to Developing Computer Catalogs. 1973.