APA (7th ed.) Citation
Kehl, G. L. (1949). The principles of metallographic laboratory practice. McGraw-Hill.
Chicago Style (17th ed.) Citation
Kehl, G. L. The Principles of Metallographic Laboratory Practice. New York: McGraw-Hill, 1949.
MLA (9th ed.) Citation
Kehl, G. L. The Principles of Metallographic Laboratory Practice. McGraw-Hill, 1949.
Warning: These citations may not always be 100% accurate.