Pyle, R. M. (1974). Watching Washington butterflies: An interpretive guide to the State's 134 species, including most of the butterflies of Oregon, Idaho, and British Columbia. Seattle Audubon Society.
Chicago Style (17th ed.) CitationPyle, Robert Michael. Watching Washington Butterflies: An Interpretive Guide to the State's 134 Species, Including Most of the Butterflies of Oregon, Idaho, and British Columbia. [Seattle]: Seattle Audubon Society, 1974.
MLA引文Pyle, Robert Michael. Watching Washington Butterflies: An Interpretive Guide to the State's 134 Species, Including Most of the Butterflies of Oregon, Idaho, and British Columbia. Seattle Audubon Society, 1974.
警告:這些引文格式不一定是100%准確.