APA-referens

Ewald, W. R. ,. (1967). Environment for Man: The Next Fifty Years. Bloomington ; London: Indiana University Press.

Chicago-stil citat

Ewald, William R.. Environment for Man: The Next Fifty Years. Bloomington ; London: Indiana University Press, 1967.

MLA-referens

Ewald, William R.. Environment for Man: The Next Fifty Years. Bloomington ; London: Indiana University Press, 1967.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.