APA (7th ed.) Citation

Forrest, L. (1973). There is a tree more ancient than Eden ([1st ed.].). Random House.

Chicago Style (17th ed.) Citation

Forrest, Leon. There Is a Tree More Ancient than Eden. [1st ed.]. New York: Random House, 1973.

MLA (8th ed.) Citation

Forrest, Leon. There Is a Tree More Ancient than Eden. [1st ed.]. Random House, 1973.