APA Style

Sowers, G, F. (1970). Introductory Soil Mechanics and Foundations: Geotechnical Engineering Fourth Edition (Ed.4, cet 8). New York: Macmillan Publishing Co., Inc..

MLA Style

Sowers, George, F.. "Introductory Soil Mechanics and Foundations: Geotechnical Engineering Fourth Edition". Ed.4, cet 8 New York: Macmillan Publishing Co., Inc., 1970. Text.