Cita APA (7a ed.)

Museum of Practical Geology (Great Britain), Sabine, P. A., & McLintock, W. F. P. (1951). A guide to the collection of gemstones in the Geological Museum: (Museum of Practical Geology) (3d ed. rev.). H. M. Stationery Off..

Cita Chicago Style (17a ed.)

Museum of Practical Geology (Great Britain), P. A. Sabine, y W. F. P. McLintock. A Guide to the Collection of Gemstones in the Geological Museum: (Museum of Practical Geology). 3d ed. rev. London: H. M. Stationery Off., 1951.

Cita MLA (8a ed.)

Museum of Practical Geology (Great Britain), et al. A Guide to the Collection of Gemstones in the Geological Museum: (Museum of Practical Geology). 3d ed. rev. H. M. Stationery Off., 1951.