Cita APA (7a ed.)
Muller, E. K., & Wiegman, P. G. (2009). An uncommon passage: Traveling through history on the Great Allegheny Passage Trail. University of Pittsburgh Press.
Cita Chicago Style (17a ed.)
Muller, Edward K., y Paul G. Wiegman. An Uncommon Passage: Traveling Through History on the Great Allegheny Passage Trail. [Pittsburgh]: University of Pittsburgh Press, 2009.
Cita MLA (9a ed.)
Muller, Edward K., y Paul G. Wiegman. An Uncommon Passage: Traveling Through History on the Great Allegheny Passage Trail. University of Pittsburgh Press, 2009.
Precaución: Estas citas no son 100% exactas.