APA (7th ed.) Citation

Tīfāšī, A. I. a. (1998). Arab roots of gemology: Ahmad ibn Yusuf Al Tifaschi's Best thoughts on the best of stones. Scarecrow Press.

Chicago Style (17th ed.) Citation

Tīfāšī, Aḥmad Ibn-Yūsuf at-. Arab Roots of Gemology: Ahmad Ibn Yusuf Al Tifaschi's Best Thoughts on the Best of Stones. Lanham, Md. [u.a.]: Scarecrow Press, 1998.

MLA (9th ed.) Citation

Tīfāšī, Aḥmad Ibn-Yūsuf at-. Arab Roots of Gemology: Ahmad Ibn Yusuf Al Tifaschi's Best Thoughts on the Best of Stones. Scarecrow Press, 1998.