APA (7e ed.) Bronvermelding

Brubaker, S. (1972). To live on earth: Man and his environment in perspective. Johns Hopkins Press for Resources for the Future.

Chicago (17e ed.) Bronvermelding

Brubaker, Sterling. To Live on Earth: Man and His Environment in Perspective. Baltimore: Johns Hopkins Press for Resources for the Future, 1972.

MLA (9e ed.) Bronvermelding

Brubaker, Sterling. To Live on Earth: Man and His Environment in Perspective. Johns Hopkins Press for Resources for the Future, 1972.