APA (7th ed.) Citation

Hahn, H. (1997). Harley Hahn's Internet & Web yellow pages ([4th],1997 ed.). Osborne/McGraw-Hill.

Chicago Style (17th ed.) Citation

Hahn, Harley. Harley Hahn's Internet & Web Yellow Pages. [4th],1997 ed. Berkeley, Calif: Osborne/McGraw-Hill, 1997.

MLA (9th ed.) Citation

Hahn, Harley. Harley Hahn's Internet & Web Yellow Pages. [4th],1997 ed. Osborne/McGraw-Hill, 1997.