Freitag, R. (1998). Catalogue of the tiger beetles of Canada and the United States. NRC Research Press.
Chicago Style (17th ed.) CitationFreitag, Richard. Catalogue of the Tiger Beetles of Canada and the United States. Ottawa: NRC Research Press, 1998.
MLA (9th ed.) CitationFreitag, Richard. Catalogue of the Tiger Beetles of Canada and the United States. NRC Research Press, 1998.
Warning: These citations may not always be 100% accurate.