APA (7th ed.) Citation

Longwell, C. R., Flint, R. F., & Sanders, J. E. (1969). Physical geology / by Chester Ray Longwell, Richard Foster Flint and John E. Sanders. Wiley.

Chicago Style (17th ed.) Citation

Longwell, Chester Ray, Richard Foster Flint, and John E. Sanders. Physical Geology / by Chester Ray Longwell, Richard Foster Flint and John E. Sanders. Wiley, 1969.

MLA (9th ed.) Citation

Longwell, Chester Ray, et al. Physical Geology / by Chester Ray Longwell, Richard Foster Flint and John E. Sanders. Wiley, 1969.

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