APA (7th ed.) Citation

ANDERSON, B. (1980). Gem testing - B.W. Anderson. Butterworths.

Chicago Style (17th ed.) Citation

ANDERSON, B.W. Gem Testing - B.W. Anderson. Butterworths, 1980.

MLA (8th ed.) Citation

ANDERSON, B.W. Gem Testing - B.W. Anderson. Butterworths, 1980.

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