APA

Henry O., . (19271906). The four million. Garden City, N. Y: Doubleday, Page.

Chicago

Henry O, . 19271906. The four million. Garden City, N. Y: Doubleday, Page.

Harvard

Henry O., . (19271906). The four million. Garden City, N. Y: Doubleday, Page.

MLA

Henry O, . The four million. Garden City, N. Y: Doubleday, Page. 19271906.