Dyfyniad APA

Howells, W. (1964). Mankind in the making: The stooory of human evolution. Mercury Books.

Dyfyniad Arddull Chicago

Howells, William. Mankind in the Making: The Stooory of Human Evolution. London: Mercury Books, 1964.

Dyfyniad MLA

Howells, William. Mankind in the Making: The Stooory of Human Evolution. Mercury Books, 1964.

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