Cita APA (7a ed.)

Gauthier, K., & Mueller, B. (2006). Lake Michigan Rock Picker's Guide. University of Michigan Press.

Cita Chicago Style (17a ed.)

Gauthier, Kevin, y Bruce Mueller. Lake Michigan Rock Picker's Guide. Ann Arbor: University of Michigan Press, 2006.

Cita MLA (8a ed.)

Gauthier, Kevin, y Bruce Mueller. Lake Michigan Rock Picker's Guide. University of Michigan Press, 2006.