APA (7th ed.) Citation

Howell, K. (2003). Convention Schedule & Information. Publishers Weekly, 250(18), 71.

Chicago Style (17th ed.) Citation

Howell, Kevin. "Convention Schedule & Information." Publishers Weekly 250, no. 18 (2003): 71.

MLA (9th ed.) Citation

Howell, Kevin. "Convention Schedule & Information." Publishers Weekly, vol. 250, no. 18, 2003, p. 71.