Cita APA (7a ed.)

Raven, C. E. (1950). John Ray, naturalist: His life and works (2nd ed.). Cambridge University Press.

Cita Chicago Style (17a ed.)

Raven, Charles E. John Ray, Naturalist: His Life and Works. 2nd ed. Cambridge [Cambridgeshire]: Cambridge University Press, 1950.

Cita MLA (8a ed.)

Raven, Charles E. John Ray, Naturalist: His Life and Works. 2nd ed. Cambridge University Press, 1950.