APA (7th ed.) Citation

Lenz, A. C. (2001). Upper Wenlock (Silurian) graptolites of Arctic Canada: Pre-extinction, lundgreni biozone fauna. Canadian Society of Petroleum Geologists.

Chicago Style (17th ed.) Citation

Lenz, Alfred C. Upper Wenlock (Silurian) Graptolites of Arctic Canada: Pre-extinction, Lundgreni Biozone Fauna. Calgary: Canadian Society of Petroleum Geologists, 2001.

MLA (9th ed.) Citation

Lenz, Alfred C. Upper Wenlock (Silurian) Graptolites of Arctic Canada: Pre-extinction, Lundgreni Biozone Fauna. Canadian Society of Petroleum Geologists, 2001.

Warning: These citations may not always be 100% accurate.