Dyfyniad APA

Raven, C. E. (1950). John Ray: Naturalist, his life and works ([2d ed.].). University Press.

Dyfyniad Arddull Chicago

Raven, Charles E. John Ray: Naturalist, His Life and Works. [2d ed.]. Cambridge [Eng.]: University Press, 1950.

Dyfyniad MLA

Raven, Charles E. John Ray: Naturalist, His Life and Works. [2d ed.]. University Press, 1950.

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