Jeffress, M. R. (2011). Monitoring the american pika (ochotona princeps) in the Pacific West Region - Crater Lake National Park, Craters of the Moon National Monument and Preserve, Lassen Volcanic National Park, and Lava Beds National Monument (Narrative version 1.0.). U.S. Department of the Interior, National Park Service, Natural Resource Program Center.
Chicago Style (17th ed.) CitationJeffress, Mackenzie R. Monitoring the American Pika (ochotona Princeps) in the Pacific West Region - Crater Lake National Park, Craters of the Moon National Monument and Preserve, Lassen Volcanic National Park, and Lava Beds National Monument. Narrative version 1.0. Fort Collins, Colorado: U.S. Department of the Interior, National Park Service, Natural Resource Program Center, 2011.
MLA (9th ed.) CitationJeffress, Mackenzie R. Monitoring the American Pika (ochotona Princeps) in the Pacific West Region - Crater Lake National Park, Craters of the Moon National Monument and Preserve, Lassen Volcanic National Park, and Lava Beds National Monument. Narrative version 1.0. U.S. Department of the Interior, National Park Service, Natural Resource Program Center, 2011.