APA (7th ed.) Citation

Travis, C. C., & Young, E. C. Comparison theorems for ultrahyperbolic equations. Wiley.

Chicago Style (17th ed.) Citation

Travis, C. C., and E. C. Young. Comparison Theorems for Ultrahyperbolic Equations. Wiley.

MLA (9th ed.) Citation

Travis, C. C., and E. C. Young. Comparison Theorems for Ultrahyperbolic Equations. Wiley.

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