APA (7th ed.) Citation

Thorndale, W., & Dollarhide, W. (1984). Map guide to the U.S. federal censuses. Dollarhide Systems.

Chicago Style (17th ed.) Citation

Thorndale, William, and William Dollarhide. Map Guide to the U.S. Federal Censuses. Bellingham, WA: Dollarhide Systems, 1984.

MLA (9th ed.) Citation

Thorndale, William, and William Dollarhide. Map Guide to the U.S. Federal Censuses. Dollarhide Systems, 1984.