Dyfyniad APA

Muir, J. (1997). Natural writings. New York, NY: The Library of America.

Dyfyniad Arddull Chicago

Muir, John. Natural Writings. New York, NY: The Library of America, 1997.

Dyfyniad MLA

Muir, John. Natural Writings. New York, NY: The Library of America, 1997.

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