APA (7th ed.) Citation

Austin, R. D., & Geisinger, I. L. (1977). How to design jewelry. GEMAC Books.

Chicago Style (17th ed.) Citation

Austin, Richard D., and Iva L. Geisinger. How to Design Jewelry. Mentone, Calif.: GEMAC Books, 1977.

MLA (9th ed.) Citation

Austin, Richard D., and Iva L. Geisinger. How to Design Jewelry. GEMAC Books, 1977.