APA (7e ed.) Bronvermelding

Ballard. Commander and Builder of Western Forts. Texas A&M University Press.

Chicago (17e ed.) Bronvermelding

Ballard. Commander and Builder of Western Forts. Texas A&M University Press.

MLA (8e ed.) Bronvermelding

Ballard. Commander and Builder of Western Forts. Texas A&M University Press.

Let op: Deze citaties zijn niet altijd 100% accuraat.