APA (7e ed.) Bronvermelding

Não informado. Virginia geographer. Virginia Geographical Society.

Chicago (17e ed.) Bronvermelding

Não informado. Virginia Geographer. Fairfax, Va: Virginia Geographical Society.

MLA (8e ed.) Bronvermelding

Não informado. Virginia Geographer. Virginia Geographical Society.

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