Cita APA

Evans, I. (1972). Rocks, minerals and gemstones. Hamlyn.

Chicago Edition Citation

Evans, I.O. Rocks, Minerals and Gemstones. London: Hamlyn, 1972.

Cita MLA

Evans, I.O. Rocks, Minerals and Gemstones. Hamlyn, 1972.

Atenció: Aquestes cites poden no estar 100% correctes.