Dyfyniad APA

Bernard, J., Bernard, W. B., Hutton, L., & Matthews, B. (1887). Retrospections of America, 1791-1811. Harper.

Dyfyniad Arddull Chicago

Bernard, John, William Bayle Bernard, Laurence Hutton, and Brander Matthews. Retrospections of America, 1791-1811. New York: Harper, 1887.

Dyfyniad MLA

Bernard, John, et al. Retrospections of America, 1791-1811. Harper, 1887.

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