Cita APA (7a ed.)

Betts, A. O. (1967). Viral and rickettsial infectius of animals. Academic Press.

Cita Chicago Style (17a ed.)

Betts, A. O. Viral and Rickettsial Infectius of Animals. New York: Academic Press, 1967.

Cita MLA (8a ed.)

Betts, A. O. Viral and Rickettsial Infectius of Animals. Academic Press, 1967.