Cita APA (7a ed.)

Briggs, M. H. (1967). Urea as a protein supplement. Pergamon.

Cita Chicago Style (17a ed.)

Briggs, Michael H. Urea as a Protein Supplement. Oxford: Pergamon, 1967.

Cita MLA (8a ed.)

Briggs, Michael H. Urea as a Protein Supplement. Pergamon, 1967.