Dyfyniad APA

Glass, H. B., Temkin, O., & Strauss, W. L. (1968). Forerunners of Darwin: 1745-1859. Baltimore, Md. : Johns Hopkins Press.

Dyfyniad Arddull Chicago

Glass, Hiram Bentley, Owsei Temkin, and William L. Strauss. Forerunners of Darwin: 1745-1859. Baltimore, Md. : Johns Hopkins Press, 1968.

Dyfyniad MLA

Glass, Hiram Bentley, et al. Forerunners of Darwin: 1745-1859. Baltimore, Md. : Johns Hopkins Press, 1968.

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