Cita APA (7a ed.)

Holman, J. A., & Holman, M. B. (2003). The Michigan Roadside Naturalist. The University of Michigan Press.

Cita Chicago Style (17a ed.)

Holman, J. Alan, y Margaret B. Holman. The Michigan Roadside Naturalist. Ann Arbor: The University of Michigan Press, 2003.

Cita MLA (8a ed.)

Holman, J. Alan, y Margaret B. Holman. The Michigan Roadside Naturalist. The University of Michigan Press, 2003.