Cita APA (7a ed.)

Engholm, C., & Grimes, S. (1996). The Prentice Hall directory of online business information 1997. Prentice Hall.

Cita Chicago Style (17a ed.)

Engholm, Christopher, y Scott Grimes. The Prentice Hall Directory of Online Business Information 1997. New Jersey: Prentice Hall, 1996.

Cita MLA (9a ed.)

Engholm, Christopher, y Scott Grimes. The Prentice Hall Directory of Online Business Information 1997. Prentice Hall, 1996.