Dyfyniad APA

Davis, W. M. (1884). Whirlwinds, cyclones and tornadoes. Lee and Shepard; C.T. Dillingham.

Dyfyniad Arddull Chicago

Davis, William Morris. Whirlwinds, Cyclones and Tornadoes. Boston, New York: Lee and Shepard; C.T. Dillingham, 1884.

Dyfyniad MLA

Davis, William Morris. Whirlwinds, Cyclones and Tornadoes. Lee and Shepard; C.T. Dillingham, 1884.

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