The changing nature of man

MLA

Giorgi, Amedeo, and J. H van den Berg. The Changing Nature of Man. [Pittsburgh: Institute of Man, 1968.

APA

Giorgi, A., & van den Berg, J. H. (1968). The changing nature of man. [Pittsburgh: Institute of Man.

Chicago

Giorgi, Amedeo, and J. H van den Berg. The Changing Nature of Man. [Pittsburgh: Institute of Man, 1968.