APA (7th ed.) Citation
Richardson, D. (1977). Lords of the earth. Regal Book Division.
Chicago Style (17th ed.) Citation
Richardson, Don. Lords of the Earth. California: Regal Book Division, 1977.
MLA (9th ed.) Citation
Richardson, Don. Lords of the Earth. Regal Book Division, 1977.
Warning: These citations may not always be 100% accurate.