Gustafson, E. P. (1978). The vertebrate faunas of the Pliocene Ringold Formation, south-central Washington. Museum of Natural History, University of Oregon.
Chicago Style (17th ed.) CitationGustafson, Eric Paul. The Vertebrate Faunas of the Pliocene Ringold Formation, South-central Washington. Eugene, Or: Museum of Natural History, University of Oregon, 1978.
MLA (9th ed.) CitationGustafson, Eric Paul. The Vertebrate Faunas of the Pliocene Ringold Formation, South-central Washington. Museum of Natural History, University of Oregon, 1978.
Warning: These citations may not always be 100% accurate.