Cita APA (7th ed.)
Grey, Z. (1925). The thundering herd. Grossett & Dunlap.
Cita Chicago (17th ed.)
Grey, Zane. The Thundering Herd. New York: Grossett & Dunlap, 1925.
Cita MLA (9th ed.)
Grey, Zane. The Thundering Herd. Grossett & Dunlap, 1925.
Atenció: Aquestes cites poden no estar 100% correctes.