Dyfyniad APA

Wilder, H. H. (1926). The pedigree of the human race. H. Holt and Company.

Dyfyniad Arddull Chicago

Wilder, Harris Hawthorne. The Pedigree of the Human Race. New York: H. Holt and Company, 1926.

Dyfyniad MLA

Wilder, Harris Hawthorne. The Pedigree of the Human Race. H. Holt and Company, 1926.

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