Cogan, D., & Von Loh, J. (2011). Gradsect and field sampling plan for Amistad National Recreation Area. U.S. Department of the Interior, National Park Service, Natural Resource Program Center.
Chicago Style (17th ed.) CitationCogan, Dan, and James Von Loh. Gradsect and Field Sampling Plan for Amistad National Recreation Area. Fort Collins, Colorado: U.S. Department of the Interior, National Park Service, Natural Resource Program Center, 2011.
MLA (9th ed.) CitationCogan, Dan, and James Von Loh. Gradsect and Field Sampling Plan for Amistad National Recreation Area. U.S. Department of the Interior, National Park Service, Natural Resource Program Center, 2011.
Warning: These citations may not always be 100% accurate.