APA aipamena

De Camp, L. S. (1961). The heroic age of American invention. Garden City, N.Y: Doubleday.

Chicago Style aipamena

De Camp, L. Sprague. The Heroic Age of American Invention. Garden City, N.Y: Doubleday, 1961.

MLA aipamena

De Camp, L. Sprague. The Heroic Age of American Invention. Garden City, N.Y: Doubleday, 1961.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.