Gaya APA

YOUNG, G, G., WITTON, C, J. (1961). Witton's microbiology (3rd ed.). New York: McGraw-Hill Book.

Gaya MLA

YOUNG, Genevieve, Gray., WITTON, Chaterine, Jones. "Witton's microbiology". 3rd ed. New York: McGraw-Hill Book, 1961. Buku.