APA (7th ed.) Citation

De Camp, L. S., Cawthorn, J., & Barr, G. (1977). The Tritonian ring. Owlswick Press.

Chicago Style (17th ed.) Citation

De Camp, L. Sprague, Jim Cawthorn, and George Barr. The Tritonian Ring. Philadelphia: Owlswick Press, 1977.

MLA (9th ed.) Citation

De Camp, L. Sprague, et al. The Tritonian Ring. Owlswick Press, 1977.