APA (7th ed.) Citation

Bookmap Corporation. (1974). Street map, Ennis, Texas. [publisher not identified].

Chicago Style (17th ed.) Citation

Bookmap Corporation. Street Map, Ennis, Texas. San Antonio, Tex.: [publisher not identified], 1974.

MLA (9th ed.) Citation

Bookmap Corporation. Street Map, Ennis, Texas. [publisher not identified], 1974.