APA (7th ed.) Citation

Bookmap Corporation. (1981). Street map, Ennis, Texas (Rev. 1981.). Bookmap Corp..

Chicago Style (17th ed.) Citation

Bookmap Corporation. Street Map, Ennis, Texas. Rev. 1981. San Antonio, Tex.: Bookmap Corp., 1981.

MLA (9th ed.) Citation

Bookmap Corporation. Street Map, Ennis, Texas. Rev. 1981. Bookmap Corp., 1981.