APA (7th ed.) Citation

Holmes, R. M., & Holmes, S. T. (2001). Mass murder in the United States. Prentice Hall.

Chicago Style (17th ed.) Citation

Holmes, Ronald M., and Stephen T. Holmes. Mass Murder in the United States. Upper Saddle River, NJ [u.a.]: Prentice Hall, 2001.

MLA (9th ed.) Citation

Holmes, Ronald M., and Stephen T. Holmes. Mass Murder in the United States. Prentice Hall, 2001.