Cita APA

Boegel, H. (1971). A collector's guide to minerals and gemstones. Thames and Hudson.

Citación estilo Chicago

Boegel, Hellmuth. A Collector's Guide to Minerals and Gemstones. London, England, United Kingdom: Thames and Hudson, 1971.

Cita MLA

Boegel, Hellmuth. A Collector's Guide to Minerals and Gemstones. Thames and Hudson, 1971.

Warning: These citations may not always be 100% accurate.