APA

Johnson L., . (1984). Methodology for design and construction of drilled shafts in cohesive soils. Vicksburg: U.S. Army Engineer Waterways Experiment Station. Miscellaneous paper GL-84-5.

Chicago

Johnson LD, . 1984. Methodology for design and construction of drilled shafts in cohesive soils. Vicksburg: U.S. Army Engineer Waterways Experiment Station. Miscellaneous paper GL-84-5.

Harvard

Johnson L., . (1984). Methodology for design and construction of drilled shafts in cohesive soils. Vicksburg: U.S. Army Engineer Waterways Experiment Station. Miscellaneous paper GL-84-5.

MLA

Johnson LD, . Methodology for design and construction of drilled shafts in cohesive soils. Vicksburg: U.S. Army Engineer Waterways Experiment Station. Miscellaneous paper GL-84-5. 1984.