Style de citation APA (7e éd.)

Hall, H. P. (1904). H.P. Hall's observations: Being more or less a history of political contests in Minnesota from 1849 to 1904 (Autograph, 2nd ed.). [s.n.].

Style de citation Chicago (17e éd.)

Hall, Harlan Page. H.P. Hall's Observations: Being More or Less a History of Political Contests in Minnesota from 1849 to 1904. Autograph, 2nd ed. St. Paul, Minn: [s.n.], 1904.

Style de citation MLA (9e éd.)

Hall, Harlan Page. H.P. Hall's Observations: Being More or Less a History of Political Contests in Minnesota from 1849 to 1904. Autograph, 2nd ed. [s.n.], 1904.