Citazione Stile APA (7a Edizione)

Heinlein, R. A. (1990). The menace from Earth. Baen Publishing Enterprises.

Citazione stile Chigago Style (17a edizione)

Heinlein, Robert Anson. The Menace from Earth. New York: Baen Publishing Enterprises, 1990.

Citatione MLA (9a ed.)

Heinlein, Robert Anson. The Menace from Earth. Baen Publishing Enterprises, 1990.