Cita APA

BRADSTREET, R. (1965). The Kjeldahl method for organic nitrogen. Academic Pr.'.

Citación estilo Chicago

BRADSTREET, R.B. The Kjeldahl Method for Organic Nitrogen. New York: Academic Pr.', 1965.

Cita MLA

BRADSTREET, R.B. The Kjeldahl Method for Organic Nitrogen. Academic Pr.', 1965.