Παραπομπή APA

Epstein, S. T. (1974). (The) variation method in quantum chemistry. Academic Press.

Παραπομπή Chicago Style

Epstein, Saul T. (The) Variation Method in Quantum Chemistry. New York: Academic Press, 1974.

Παραπομπή MLA

Epstein, Saul T. (The) Variation Method in Quantum Chemistry. Academic Press, 1974.