Zink, R. M. (1986). Patterns and evolutionary significance of geographic variation in the Schistacea group of the fox sparrow (Passerella iliaca). The American Ornithologists' Union.
Chicago Style (17th ed.) CitationZink, Robert M. Patterns and Evolutionary Significance of Geographic Variation in the Schistacea Group of the Fox Sparrow (Passerella Iliaca). Washington, DC: The American Ornithologists' Union, 1986.
MLA (9th ed.) CitationZink, Robert M. Patterns and Evolutionary Significance of Geographic Variation in the Schistacea Group of the Fox Sparrow (Passerella Iliaca). The American Ornithologists' Union, 1986.
Warning: These citations may not always be 100% accurate.