Nowlan, G. S., MacCracken, A. D., & Chatterton, B. (1988). Conodonts from Ordovician-Silurian boundary strata, Whittaker Formation, Mackenzie Mountains, Northwest Territories.
Chicago Style (17th ed.) CitationNowlan, Godfrey S., Alexander D. MacCracken, and Brian Chatterton. Conodonts from Ordovician-Silurian Boundary Strata, Whittaker Formation, Mackenzie Mountains, Northwest Territories. Ottawa, 1988.
MLA (9th ed.) CitationNowlan, Godfrey S., et al. Conodonts from Ordovician-Silurian Boundary Strata, Whittaker Formation, Mackenzie Mountains, Northwest Territories. 1988.
Warning: These citations may not always be 100% accurate.