APA način citiranja (7. izdanje)

Civilian Conservation Corps (U.S.). Company 1640. Twin Hill billy. Company 1640.

Čikaški stil citiranja (17. izdanje)

Civilian Conservation Corps (U.S.). Company 1640. Twin Hill Billy. Port Angeles, Wash.: Company 1640.

MLA način citiranja (8. izdanje)

Civilian Conservation Corps (U.S.). Company 1640. Twin Hill Billy. Company 1640.