Dyfyniad APA

ebrary, Inc, Smith, F. H., & Ahern, J. C. M. (2013). The origins of modern humans: Biology reconsidered. Wiley.

Dyfyniad Arddull Chicago

ebrary, Inc, Fred H. Smith, and James C. M. Ahern. The Origins of Modern Humans: Biology Reconsidered. Hoboken, N.J.: Wiley, 2013.

Dyfyniad MLA

ebrary, Inc, et al. The Origins of Modern Humans: Biology Reconsidered. Wiley, 2013.

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