Schweppe, H. (1987). Practical information for the identification of early synthetic dyes: Practical hints on dyeing with early synthetic dyes. Smithsonian Institution.
Citação do estilo Chicago (17ª ed.)Schweppe, Helmut. Practical Information for the Identification of Early Synthetic Dyes: Practical Hints on Dyeing with Early Synthetic Dyes. Washington, D.C.: Smithsonian Institution, 1987.
Citação MLA (8ª ed.)Schweppe, Helmut. Practical Information for the Identification of Early Synthetic Dyes: Practical Hints on Dyeing with Early Synthetic Dyes. Smithsonian Institution, 1987.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.