APA aipamena

Sheviak, C. J. (1974). An introduction to the ecology of the Illinois Orchidaceae. Illinois State Museum.

Chicago Style aipamena

Sheviak, Charles J. An Introduction to the Ecology of the Illinois Orchidaceae. Springfield: Illinois State Museum, 1974.

MLA aipamena

Sheviak, Charles J. An Introduction to the Ecology of the Illinois Orchidaceae. Illinois State Museum, 1974.