United States. Bureau of the Census. 1977 census of mineral industries: Industry series, oil and gas field services.
Chicago Style (17th ed.) CitationUnited States. Bureau of the Census. 1977 Census of Mineral Industries: Industry Series, Oil and Gas Field Services.
MLA (9th ed.) CitationUnited States. Bureau of the Census. 1977 Census of Mineral Industries: Industry Series, Oil and Gas Field Services.
Warning: These citations may not always be 100% accurate.