APA (7th ed.) Citation

Pratt, F., & Clark, J. D. (1952). The Petrified planet: The long view, by Fletcher Pratt. Uller uprising, by H. Beam Piper. Daughters of earth, by Judith Merril. Twayne.

Chicago Style (17th ed.) Citation

Pratt, Fletcher, and John D. Clark. The Petrified Planet: The Long View, by Fletcher Pratt. Uller Uprising, by H. Beam Piper. Daughters of Earth, by Judith Merril. N. Y.: Twayne, 1952.

MLA (9th ed.) Citation

Pratt, Fletcher, and John D. Clark. The Petrified Planet: The Long View, by Fletcher Pratt. Uller Uprising, by H. Beam Piper. Daughters of Earth, by Judith Merril. Twayne, 1952.