APA (7th ed.) Citation

Heinlein, R. A. (1967). The past through tomorrow: "Future history" stories (5. impr.). Putnam.

Chicago Style (17th ed.) Citation

Heinlein, Robert A. The Past Through Tomorrow: "Future History" Stories. 5. impr. New York: Putnam, 1967.

MLA (9th ed.) Citation

Heinlein, Robert A. The Past Through Tomorrow: "Future History" Stories. 5. impr. Putnam, 1967.

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