Helfand, W. H. (2000). The nightingale's song: Nurses and nursing in the Ars Medica Collection of the Philadelphia Museum of Art. Philadelphia Museum of Art.
Citação do estilo Chicago (17ª ed.)Helfand, William H. The Nightingale's Song: Nurses and Nursing in the Ars Medica Collection of the Philadelphia Museum of Art. Philadelphia, Pa.: Philadelphia Museum of Art, 2000.
Citação MLA (8ª ed.)Helfand, William H. The Nightingale's Song: Nurses and Nursing in the Ars Medica Collection of the Philadelphia Museum of Art. Philadelphia Museum of Art, 2000.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.