Cita APA (7th ed.)

Halnan, E. T., & Hammond, J. (1950). A course of practical physiology for agricultural students (2nd ed.). University Press.

Cita Chicago (17th ed.)

Halnan, Edward Thomas, i John Hammond. A Course of Practical Physiology for Agricultural Students. 2nd ed. Cambridge: University Press, 1950.

Cita MLA (8th ed.)

Halnan, Edward Thomas, i John Hammond. A Course of Practical Physiology for Agricultural Students. 2nd ed. University Press, 1950.