APA (7th ed.) Citation

Gilliam, H. (1974). Island in time: The Point Reyes Peninsula ([2d rev. ed.].). Sierra Club/Scribner.

Chicago Style (17th ed.) Citation

Gilliam, Harold. Island in Time: The Point Reyes Peninsula. [2d rev. ed.]. New York: Sierra Club/Scribner, 1974.

MLA (9th ed.) Citation

Gilliam, Harold. Island in Time: The Point Reyes Peninsula. [2d rev. ed.]. Sierra Club/Scribner, 1974.