APA (7th ed.) Citation

O'Quigley, J. (2008). Proportional hazards regression. Springer. https://doi.org/10.1007/978-0-387-68639-4

Chicago Style (17th ed.) Citation

O'Quigley, John. Proportional Hazards Regression. New York: Springer, 2008. https://doi.org/10.1007/978-0-387-68639-4.

MLA (9th ed.) Citation

O'Quigley, John. Proportional Hazards Regression. Springer, 2008. https://doi.org/10.1007/978-0-387-68639-4.