Dyfyniad APA

Smithsonian Institutions. (1968). The Fitness of man's environment: With an introduction by Jennie Lee. Smithsonian Institution Press.

Dyfyniad Arddull Chicago

Smithsonian Institutions. The Fitness of Man's Environment: With an Introduction by Jennie Lee. Washington: Smithsonian Institution Press, 1968.

Dyfyniad MLA

Smithsonian Institutions. The Fitness of Man's Environment: With an Introduction by Jennie Lee. Smithsonian Institution Press, 1968.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.