Barbara Hepworth (exhibition London, The Tate Gallery, 03.04 - 19.5.1968).

MLA

Alley, Ronald, Rudolf W.D Oxenaar, and Nicolete Gray. Barbara Hepworth (exhibition London, The Tate Gallery, 03.04 - 19.5.1968). London: Tate Gallery (Publications Department), 1968.

APA

Alley, R., Oxenaar, R. W.D, & Gray, N. (1968). Barbara Hepworth (exhibition London, The Tate Gallery, 03.04 - 19.5.1968). London: Tate Gallery (Publications Department).

Chicago

Alley, Ronald, Rudolf W.D Oxenaar, and Nicolete Gray. Barbara Hepworth (exhibition London, The Tate Gallery, 03.04 - 19.5.1968). London: Tate Gallery (Publications Department), 1968.