APA引文

Mitchell, E., & Walters, S. A. (1995). Document delivery services: Issues and answers. Learned Information.

Chicago Style (17th ed.) Citation

Mitchell, Eleanor, and Sheilla A. Walters. Document Delivery Services: Issues and Answers. Medford, NJ: Learned Information, 1995.

MLA引文

Mitchell, Eleanor, and Sheilla A. Walters. Document Delivery Services: Issues and Answers. Learned Information, 1995.