APA

Clark H. W., . (1930). History of Alaska. New York: The Macmillan co.

Chicago

Clark Henry W, . 1930. History of Alaska. New York: The Macmillan co.

Harvard

Clark H. W., . (1930). History of Alaska. New York: The Macmillan co.

MLA

Clark Henry W, . History of Alaska. New York: The Macmillan co. 1930.