APA (7th ed.) Citation

Zwiener, D. R., & Darst, E. F. (1966). A guide to historic Galveston. [publisher not identified].

Chicago Style (17th ed.) Citation

Zwiener, Douglas R., and Elisabeth F. Darst. A Guide to Historic Galveston. [Galveston? Tex.]: [publisher not identified], 1966.

MLA (9th ed.) Citation

Zwiener, Douglas R., and Elisabeth F. Darst. A Guide to Historic Galveston. [publisher not identified], 1966.