Cita APA (7a ed.)

De Camp, L. S., & Pratt, F. (1979). Wall of serpents. Dell Publishing.

Cita Chicago Style (17a ed.)

De Camp, Lyon Sprague, y Fletcher Pratt. Wall of Serpents. New York: Dell Publishing, 1979.

Cita MLA (9a ed.)

De Camp, Lyon Sprague, y Fletcher Pratt. Wall of Serpents. Dell Publishing, 1979.