APA (7th ed.) Citation

Balej, R. J. (1963). Gem cutter's guide. [publisher not identified].

Chicago Style (17th ed.) Citation

Balej, Ronald J. Gem Cutter's Guide. Minneapolis: [publisher not identified], 1963.

MLA (9th ed.) Citation

Balej, Ronald J. Gem Cutter's Guide. [publisher not identified], 1963.

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