APA (7th ed.) Citation

Earl, L., Hammond, A., & Sneyd, D. (1962). The riddle of the haunted river. Little, Brown.

Chicago Style (17th ed.) Citation

Earl, Lawrence, Arthur Hammond, and Douglas Sneyd. The Riddle of the Haunted River. Boston: Little, Brown, 1962.

MLA (9th ed.) Citation

Earl, Lawrence, et al. The Riddle of the Haunted River. Little, Brown, 1962.