APA (7th ed.) Citation

Mumme, I. A. (1982). The emerald: Its occurrence, discrimination and valuation. Mumme.

Chicago Style (17th ed.) Citation

Mumme, Ivan A. The Emerald: Its Occurrence, Discrimination and Valuation. Port Hacking, NSW: Mumme, 1982.

MLA (9th ed.) Citation

Mumme, Ivan A. The Emerald: Its Occurrence, Discrimination and Valuation. Mumme, 1982.

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