Cita APA (7a ed.)

Johnson, O., & Winter, W. H. (1966). Route across the rocky mountains. University Microfilms.

Cita Chicago Style (17a ed.)

Johnson, Overton, y William H. Winter. Route Across the Rocky Mountains. Ann Arbor, Mich.: University Microfilms, 1966.

Cita MLA (9a ed.)

Johnson, Overton, y William H. Winter. Route Across the Rocky Mountains. University Microfilms, 1966.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.