APA (7th ed.) Citation

Walters, W. H., Demas, S. G., Stewart, L., & Weintraub, J. (1998). Guidelines for Collecting Aggregations of Web Resources.

Chicago Style (17th ed.) Citation

Walters, William H., Samuel G. Demas, Linda Stewart, and Jennifer Weintraub. Guidelines for Collecting Aggregations of Web Resources. 1998.

MLA (9th ed.) Citation

Walters, William H., et al. Guidelines for Collecting Aggregations of Web Resources. 1998.