Dyfyniad APA

Fulton, J. F., & Thomson, E. H. (1947). Benjamin Silliman, 1779-1864, pathfinder in American science. Henry Schuman, Inc.

Dyfyniad Arddull Chicago

Fulton, John F., and Elizabeth Harriet Thomson. Benjamin Silliman, 1779-1864, Pathfinder in American Science. New York: Henry Schuman, Inc, 1947.

Dyfyniad MLA

Fulton, John F., and Elizabeth Harriet Thomson. Benjamin Silliman, 1779-1864, Pathfinder in American Science. Henry Schuman, Inc, 1947.

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