APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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