APA (7th ed.) Citation

Bookmap Corporation. (1979). McAllen, Texas (Rev.). Bookmap Corp..

Chicago Style (17th ed.) Citation

Bookmap Corporation. McAllen, Texas. Rev. San Antonio, Tex.: Bookmap Corp., 1979.

MLA (9th ed.) Citation

Bookmap Corporation. McAllen, Texas. Rev. Bookmap Corp., 1979.