Citazione Stile APA (7a Edizione)

Harper, M. M. Versions of History and Brother to Dragons: Margaret Mills Harper. Robert Penn Warren's "Brother to Dragons" : a discussion.(1983).

Citazione stile Chigago Style (17a edizione)

Harper, Margaret Mills. "Versions of History and Brother to Dragons: Margaret Mills Harper." Robert Penn Warren's "Brother to Dragons" : A Discussion.(1983) .

Citatione MLA (8a ed.)

Harper, Margaret Mills. "Versions of History and Brother to Dragons: Margaret Mills Harper." Robert Penn Warren's "Brother to Dragons" : A Discussion.(1983), .