APA (7th ed.) Citation

Erickson, J. R., & Holmes, G. L. (2011). The case of the mysterious voice. Viking.

Chicago Style (17th ed.) Citation

Erickson, John R., and Gerald L. Holmes. The Case of the Mysterious Voice. New York: Viking, 2011.

MLA (8th ed.) Citation

Erickson, John R., and Gerald L. Holmes. The Case of the Mysterious Voice. Viking, 2011.

Warning: These citations may not always be 100% accurate.