Introduction to ground-water hydrology
[by] Ralph C. Heath and Frank W. Trainer.

APA Citation

Heath, R. C., Trainer, F. W. (Frank Wilson). (1968). Introduction to ground-water hydrology. New York: Wiley.

MLA Citation

Heath, Ralph C, and Frank W. (Frank Wilson) Trainer. Introduction to Ground-water Hydrology. New York: Wiley, 1968.

Warning: These citations may not always be complete (especially for serials).