APA-viite

Vekua, I. N. (1962). Generalized analytic functions. Pergamon Press.

Chicago-tyylinen lähdeviittaus

Vekua, Ilia Nestorovich. Generalized Analytic Functions. London: Pergamon Press, 1962.

MLA-viite

Vekua, Ilia Nestorovich. Generalized Analytic Functions. Pergamon Press, 1962.