APA (7th ed.) Citation

Hoppe, R. A., & Simmel, E. C. (1969). Book Tearing and the Bystander in the University Library.

Chicago Style (17th ed.) Citation

Hoppe, Ronald A., and Edward C. Simmel. Book Tearing and the Bystander in the University Library. 1969.

MLA (9th ed.) Citation

Hoppe, Ronald A., and Edward C. Simmel. Book Tearing and the Bystander in the University Library. 1969.

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