Franklin

MLA

Copperud, Roy H. American Usage: the Consensus. New York: Van Nostrand Reinhold Co., 1970.

APA

Copperud, R. H. (1970). American usage: the consensus. New York: Van Nostrand Reinhold Co.

Chicago

Copperud, Roy H., American Usage: the Consensus. New York: Van Nostrand Reinhold Co., 1970.