APA aipamena

Hubbard Merton H., Phipps Robert R., Thompson Richard L., & United States Patent Office. Low density coffee roasting process.

Chicago Style aipamena

Hubbard Merton H., Phipps Robert R., Thompson Richard L., and United States Patent Office. Low Density Coffee Roasting Process.

MLA aipamena

Hubbard Merton H., et al. Low Density Coffee Roasting Process.