APA (7th ed.) Citation
Muller, E. K., & Wiegman, P. G. (2009). An uncommon passage: Traveling through history on the Great Allegheny Passage Trail. University of Pittsburgh Press.
Chicago Style (17th ed.) Citation
Muller, Edward K., and Paul G. Wiegman. An Uncommon Passage: Traveling Through History on the Great Allegheny Passage Trail. [Pittsburgh]: University of Pittsburgh Press, 2009.
MLA (9th ed.) Citation
Muller, Edward K., and Paul G. Wiegman. An Uncommon Passage: Traveling Through History on the Great Allegheny Passage Trail. University of Pittsburgh Press, 2009.
Warning: These citations may not always be 100% accurate.