Cita APA (7a ed.)

Sadlej, J., & Cooper, I. L. (1985). Semi-empirical methods of quantum chemistry. Ellis Horwood ; Halsted Press [etc.] [distribuïdor].

Cita Chicago Style (17a ed.)

Sadlej, Joanna, y Ian L. Cooper. Semi-empirical Methods of Quantum Chemistry. Chichester : New York [etc.]: Ellis Horwood ; Halsted Press [etc.] [distribuïdor], 1985.

Cita MLA (9a ed.)

Sadlej, Joanna, y Ian L. Cooper. Semi-empirical Methods of Quantum Chemistry. Ellis Horwood ; Halsted Press [etc.] [distribuïdor], 1985.