APA (7th ed.) Citation

Sinkankas, J. (1981). Emerald and other beryls. Chilton Book Co.

Chicago Style (17th ed.) Citation

Sinkankas, John. Emerald and Other Beryls. Radnor, Pa: Chilton Book Co, 1981.

MLA (9th ed.) Citation

Sinkankas, John. Emerald and Other Beryls. Chilton Book Co, 1981.

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