APA (7th ed.) Citation

Barclay Maps (Firm) & Sullivan Publications Inc. (1977). Map of Riverside, California. Sullivan Publications.

Chicago Style (17th ed.) Citation

Barclay Maps (Firm) and Sullivan Publications Inc. Map of Riverside, California. Riverside, CA: Sullivan Publications, 1977.

MLA (9th ed.) Citation

Barclay Maps (Firm) and Sullivan Publications Inc. Map of Riverside, California. Sullivan Publications, 1977.