APA (7th ed.) Citation

Schwartz, V. M. (1999). The online ad sale. Folio: The Magazine for Magazine Management, 28(12), 61.

Chicago Style (17th ed.) Citation

Schwartz, Vira Mamchur. "The Online Ad Sale." Folio: The Magazine for Magazine Management 28, no. 12 (1999): 61.

MLA (9th ed.) Citation

Schwartz, Vira Mamchur. "The Online Ad Sale." Folio: The Magazine for Magazine Management, vol. 28, no. 12, 1999, p. 61.