APA (7e ed.) Bronvermelding

Dakota Engineering Company, M. Souvenir Map and Guide for Tourists in the Black Hills of South Dakota Maps prepared especially for the use of Automobile Tourists.

Chicago (17e ed.) Bronvermelding

Dakota Engineering Company, Mitchell. Souvenir Map and Guide for Tourists in the Black Hills of South Dakota Maps Prepared Especially for the Use of Automobile Tourists.

MLA (9e ed.) Bronvermelding

Dakota Engineering Company, Mitchell. Souvenir Map and Guide for Tourists in the Black Hills of South Dakota Maps Prepared Especially for the Use of Automobile Tourists.