APA (7th ed.) Citation

Baldwin, E., & Hopkins, F. G. (1964). An introduction to comparative biochemistry (4th ed.). University Press.

Chicago Style (17th ed.) Citation

Baldwin, Ernest, and Frederick Gowland Hopkins. An Introduction to Comparative Biochemistry. 4th ed. Cambridge: University Press, 1964.

MLA (9th ed.) Citation

Baldwin, Ernest, and Frederick Gowland Hopkins. An Introduction to Comparative Biochemistry. 4th ed. University Press, 1964.