Comparison of the Cretaceous-Tertiary boundary impact events and the 0.77-Ma Australasian tektite event : relevance to mass extinction
MLA
Chao, E. C. T. and Geological Survey (U.S.). Comparison of the Cretaceous-Tertiary boundary impact events and the 0.77-Ma Australasian tektite event : relevance to mass extinction. [Washington, D.C.] : United States Government Printing Office, 1993.
APA
Chao, E. & Geological Survey (U.S.). (1993). Comparison of the Cretaceous-Tertiary boundary impact events and the 0.77-Ma Australasian tektite event : relevance to mass extinction. [Washington, D.C.] : United States Government Printing Office.
Chicago
Chao, E. C. T. and Geological Survey (U.S.). Comparison of the Cretaceous-Tertiary boundary impact events and the 0.77-Ma Australasian tektite event : relevance to mass extinction. [Washington, D.C.] : United States Government Printing Office, 1993.