APA (7th ed.) Citation

McKnight, T. L. (1992). Essentials of physical geography. Prentice Hall.

Chicago Style (17th ed.) Citation

McKnight, Tom L. Essentials of Physical Geography. Englewood Cliffs, NJ: Prentice Hall, 1992.

MLA (9th ed.) Citation

McKnight, Tom L. Essentials of Physical Geography. Prentice Hall, 1992.

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