Jeffery, W. H. (1931). Deep well drilling: The principles and practices of deep well drilling and a hand book of useful information for the engineer and the well driller. The Gulf Publishing Company.
Chicago Style (17th ed.) CitationJeffery, Walter Henry. Deep Well Drilling: The Principles and Practices of Deep Well Drilling and a Hand Book of Useful Information for the Engineer and the Well Driller. Houston, Tex.: The Gulf Publishing Company, 1931.
MLA (9th ed.) CitationJeffery, Walter Henry. Deep Well Drilling: The Principles and Practices of Deep Well Drilling and a Hand Book of Useful Information for the Engineer and the Well Driller. The Gulf Publishing Company, 1931.
Warning: These citations may not always be 100% accurate.