Epstein, S. T. (1974). (The) variation method in quantum chemistry. Academic Press.
Chicago Edition CitationEpstein, Saul T. (The) Variation Method in Quantum Chemistry. New York: Academic Press, 1974.
MLA Edition CitationEpstein, Saul T. (The) Variation Method in Quantum Chemistry. Academic Press, 1974.
Warning: These citations may not always be 100% accurate.