Cita APA (7th ed.)
Herrick, F. H. (1938). AUDUBON THE NATURALIST: A HISTORY OF HIS LIFE AND TIME (2a edición.).
Cita Chicago (17th ed.)
Herrick, Francis Hobart. AUDUBON THE NATURALIST: A HISTORY OF HIS LIFE AND TIME. 2a edición. 1938.
Cita MLA (9th ed.)
Herrick, Francis Hobart. AUDUBON THE NATURALIST: A HISTORY OF HIS LIFE AND TIME. 2a edición. 1938.
Atenció: Aquestes cites poden no estar 100% correctes.