APA (7th ed.) Citation

Wilkinson, J. P., & Miller, W. (1978). The Step Approach to Reference Service.

Chicago Style (17th ed.) Citation

Wilkinson, John P., and William Miller. The Step Approach to Reference Service. 1978.

MLA (9th ed.) Citation

Wilkinson, John P., and William Miller. The Step Approach to Reference Service. 1978.

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