APA (7th ed.) Citation

Chao, E. C. T. (1993). Comparison of the Cretaceous Tertiary boundary impact events and the 0.77 Ma Australasian tektite event: Relevance to mass extinction. United States Gov. Print. Off.

Chicago Style (17th ed.) Citation

Chao, Edward C. T. Comparison of the Cretaceous Tertiary Boundary Impact Events and the 0.77 Ma Australasian Tektite Event: Relevance to Mass Extinction. Washington: United States Gov. Print. Off, 1993.

MLA (9th ed.) Citation

Chao, Edward C. T. Comparison of the Cretaceous Tertiary Boundary Impact Events and the 0.77 Ma Australasian Tektite Event: Relevance to Mass Extinction. United States Gov. Print. Off, 1993.