Cita APA (7a ed.)

Rustagi, J. S. (1976). Variational methods in statistics (1a ed.). Academic Press.

Cita Chicago Style (17a ed.)

Rustagi, Jagdish S. Variational Methods in Statistics. 1a ed. New York: Academic Press, 1976.

Cita MLA (9a ed.)

Rustagi, Jagdish S. Variational Methods in Statistics. 1a ed. Academic Press, 1976.