APA (7th ed.) Citation

West, M. G., & Edward, P. R. (1954). The Bethesda-Ballerup group of Paracolon. United States Government Printing Office.

Chicago Style (17th ed.) Citation

West, Mary G., and Philip R. Edward. The Bethesda-Ballerup Group of Paracolon. Washington: United States Government Printing Office, 1954.

MLA (9th ed.) Citation

West, Mary G., and Philip R. Edward. The Bethesda-Ballerup Group of Paracolon. United States Government Printing Office, 1954.