Seven pieces for three pianos (1951)
MLA
Wolpe, Stefan. and Austin. Clarkson. Seven pieces for three pianos (1951). New York : Southern Music Pub. Co., 1981, c1977.
APA
Wolpe, S. & Clarkson, A. (1981). Seven pieces for three pianos (1951). New York : Southern Music Pub. Co..
Chicago
Wolpe, Stefan. and Austin. Clarkson. Seven pieces for three pianos (1951). New York : Southern Music Pub. Co., 1981, c1977.