Dyfyniad APA

Rand McNally and Company. (1993). Atlas of American history. Houghton Mifflin.

Dyfyniad Arddull Chicago

Rand McNally and Company. Atlas of American History. Chicago: Houghton Mifflin, 1993.

Dyfyniad MLA

Rand McNally and Company. Atlas of American History. Houghton Mifflin, 1993.

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