APA (7th ed.) Citation
Wirshing, J. R., & Wirshing, R. H. (1985). Theory and Problem of Introductory Surveying. McGraw-Hill.
Chicago Style (17th ed.) Citation
Wirshing, James R., and Roy H. Wirshing. Theory and Problem of Introductory Surveying. New York: McGraw-Hill, 1985.
MLA (9th ed.) Citation
Wirshing, James R., and Roy H. Wirshing. Theory and Problem of Introductory Surveying. McGraw-Hill, 1985.
Warning: These citations may not always be 100% accurate.