APA (7th ed.) Citation

(1999). Peterson's guide to distance learning programs ([Ed. 2000].). Peterson's.

Chicago Style (17th ed.) Citation

Peterson's Guide to Distance Learning Programs. [Ed. 2000]. Princeton, N.J: Peterson's, 1999.

MLA (9th ed.) Citation

Peterson's Guide to Distance Learning Programs. [Ed. 2000]. Peterson's, 1999.