Cita APA (7th ed.)

Hammacher, A. M. (1959). Barbara Hepworth. Universe Books.

Cita Chicago (17th ed.)

Hammacher, A. M. Barbara Hepworth. Nueva York: Universe Books, 1959.

Cita MLA (9th ed.)

Hammacher, A. M. Barbara Hepworth. Universe Books, 1959.