APA (7th ed.) Citation

Davis, H. T. (1960). Introduction to nonlinear differential and integral equations. US Gov. Print. Office.

Chicago Style (17th ed.) Citation

Davis, Harold T. Introduction to Nonlinear Differential and Integral Equations. Washington, DC: US Gov. Print. Office, 1960.

MLA (9th ed.) Citation

Davis, Harold T. Introduction to Nonlinear Differential and Integral Equations. US Gov. Print. Office, 1960.