APA (7th ed.) Citation

Smith, E. B., & Schromm, A. (1980). Gemcutting: A lapidary handbook. Prentice-Hall.

Chicago Style (17th ed.) Citation

Smith, Edward Brinton, and April Schromm. Gemcutting: A Lapidary Handbook. Englewood Cliffs, N.J: Prentice-Hall, 1980.

MLA (9th ed.) Citation

Smith, Edward Brinton, and April Schromm. Gemcutting: A Lapidary Handbook. Prentice-Hall, 1980.