APA (7. basım) Alıntı

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

Chicago Style (17. basım) Atıf

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

MLA (9th ed.) Atıf

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