APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

Warning: These citations may not always be 100% accurate.