Helen Frankenthaler : prints: 1961-1979.

MLA

Helen Frankenthaler : Prints: 1961-1979. New York: Harper & Row, 1980.

APA

(1980). Helen Frankenthaler : prints: 1961-1979. New York: Harper & Row.

Chicago

Helen Frankenthaler: Prints: 1961-1979.. New York: Harper & Row, 1980.