APA (7th ed.) Citation

Chartmasters (Firm). (1982). El Cajon, California. Chartmasters.

Chicago Style (17th ed.) Citation

Chartmasters (Firm). El Cajon, California. El Cajon, CA: Chartmasters, 1982.

MLA (9th ed.) Citation

Chartmasters (Firm). El Cajon, California. Chartmasters, 1982.

Warning: These citations may not always be 100% accurate.