APA (7th ed.) Citation

Robertson, G. C., & Davids, C. A. F. R. (1896). Elements of psychology. C. Scribners sons.

Chicago Style (17th ed.) Citation

Robertson, George Croom, and C. A. F. Rhys Davids. Elements of Psychology. New York: C. Scribners sons, 1896.

MLA (9th ed.) Citation

Robertson, George Croom, and C. A. F. Rhys Davids. Elements of Psychology. C. Scribners sons, 1896.