APA (7e ed.) Bronvermelding

American Institute of Planners & Ewald, W. R. (1967). Environment for man: The next fifty years. Indiana University Press.

Chicago (17e ed.) Bronvermelding

American Institute of Planners en William R. Ewald. Environment for Man: The Next Fifty Years. Bloomington: Indiana University Press, 1967.

MLA (9e ed.) Bronvermelding

American Institute of Planners en William R. Ewald. Environment for Man: The Next Fifty Years. Indiana University Press, 1967.