APA Citation

Doyle, J. M., & Grimes, G. H. (1976). Reference resources: A systematic approach.

Chicago Style Citation

Doyle, James M., and George H. Grimes. Reference Resources: A Systematic Approach. 1976.

MLA Citation

Doyle, James M., and George H. Grimes. Reference Resources: A Systematic Approach. 1976.

Warning: These citations may not always be 100% accurate.