APA (7th ed.) Citation

Sharp, L. (1921). An Introduction to cytology. McGraw-Hill Book Co., Inc.

Chicago Style (17th ed.) Citation

Sharp, L.W. An Introduction to Cytology. New York: McGraw-Hill Book Co., Inc, 1921.

MLA (9th ed.) Citation

Sharp, L.W. An Introduction to Cytology. McGraw-Hill Book Co., Inc, 1921.