Cita APA (7a ed.)

Mueller, B., & Wilde, W. H. (2004). The Complete Guide to Petoskey Stones. Petoskey Publishing Company.

Cita Chicago Style (17a ed.)

Mueller, Bruce, y William H. Wilde. The Complete Guide to Petoskey Stones. Traverse City: Petoskey Publishing Company, 2004.

Cita MLA (8a ed.)

Mueller, Bruce, y William H. Wilde. The Complete Guide to Petoskey Stones. Petoskey Publishing Company, 2004.