Cita APA (7a ed.)

Bradstreet, R. B. (1965). The Kjeldahl method for organic nitrogen. Academic Press.

Cita Chicago Style (17a ed.)

Bradstreet, R. B. The Kjeldahl Method for Organic Nitrogen. New York: Academic Press, 1965.

Cita MLA (8a ed.)

Bradstreet, R. B. The Kjeldahl Method for Organic Nitrogen. Academic Press, 1965.