APA ציטוט

Heinlein, R. A. (1951). The green hills of earth. Baen Pub.

Chicago Style (17th ed.) Citation

Heinlein, Robert A. The Green Hills of Earth. New York, N.Y: Baen Pub, 1951.

ציטוט MLA

Heinlein, Robert A. The Green Hills of Earth. Baen Pub, 1951.