APA (7th ed.) Citation

Murfin, M. E., & Wynar, L. R. (1977). Reference service: An annotated bibliographic guide. Libraries Unlimited.

Chicago Style (17th ed.) Citation

Murfin, Marjorie E., and Lubomyr Roman Wynar. Reference Service: An Annotated Bibliographic Guide. Littleton, Colo.: Libraries Unlimited, 1977.

MLA (9th ed.) Citation

Murfin, Marjorie E., and Lubomyr Roman Wynar. Reference Service: An Annotated Bibliographic Guide. Libraries Unlimited, 1977.