APA (7th ed.) Citation

Kim, Y. S., Ringer, L. J., Rundell, W., & Smith, R. R. (1990). Analytical and numerical methods for boundary value problems of mixed type.

Chicago Style (17th ed.) Citation

Kim, Young Sook, Larry J. Ringer, William Rundell, and Roger R. Smith. Analytical and Numerical Methods for Boundary Value Problems of Mixed Type. 1990.

MLA (9th ed.) Citation

Kim, Young Sook, et al. Analytical and Numerical Methods for Boundary Value Problems of Mixed Type. 1990.