Orchelle, R. L. (1915). A duel between two Americans: An open letter to George Harvey (First Edition.). The Vital Issue Co..
Citazione stile Chigago Style (17a edizione)Orchelle, R. L. A Duel Between Two Americans: An Open Letter to George Harvey. First Edition. New York: The Vital Issue Co., 1915.
Citatione MLA (9a ed.)Orchelle, R. L. A Duel Between Two Americans: An Open Letter to George Harvey. First Edition. The Vital Issue Co., 1915.
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