APA (7th ed.) Citation

Gresson, R. A. R., & Clark, H. H. (1948). Essentials of general cytology. University Press.

Chicago Style (17th ed.) Citation

Gresson, R. A. R., and Helena Heslop Clark. Essentials of General Cytology. Edinburgh: University Press, 1948.

MLA (9th ed.) Citation

Gresson, R. A. R., and Helena Heslop Clark. Essentials of General Cytology. University Press, 1948.