Παραπομπή APA

Letham, D. S., & Stewart, P. R. (1977). Ribonucleic acids (2nd. ed.). Springer-Verlag.

Παραπομπή Chicago Style

Letham, D. S., και P. R. Stewart. Ribonucleic Acids. 2nd. ed. New York: Springer-Verlag, 1977.

Παραπομπή MLA

Letham, D. S., και P. R. Stewart. Ribonucleic Acids. 2nd. ed. Springer-Verlag, 1977.