Krol, E. (1993). The whole internet: User's guide catalog (2a ed.). O'Reilly Associates.
Chicago Style (17th ed.) CitationKrol, Ed. The Whole Internet: User's Guide Catalog. 2a ed. Sebastopol CA: O'Reilly Associates, 1993.
MLA (9th ed.) CitationKrol, Ed. The Whole Internet: User's Guide Catalog. 2a ed. O'Reilly Associates, 1993.