APA (7th ed.) Citation

Chapman, R. D., & Chapman, M. L. (1980). The crimson web of terror. Paladin Pr.

Chicago Style (17th ed.) Citation

Chapman, Robert D., and M. L. Chapman. The Crimson Web of Terror. Boulder, CO: Paladin Pr, 1980.

MLA (9th ed.) Citation

Chapman, Robert D., and M. L. Chapman. The Crimson Web of Terror. Paladin Pr, 1980.