Cita APA (7a ed.)

Parkman , F. (1950). The Oregon trail. The New American Library.

Cita Chicago Style (17a ed.)

Parkman , Francis. The Oregon Trail. The New American Library, 1950.

Cita MLA (9a ed.)

Parkman , Francis. The Oregon Trail. The New American Library, 1950.

警告：这些引文格式不一定是100％准确.