APA-referens

Richards, W., & Horsley, J. (1970). Ab initio molecular orbital calculations for chemistry. Clarendon.

Chicago-stil citat

Richards, W.G, och J.A Horsley. Ab Initio Molecular Orbital Calculations for Chemistry. Oxford: Clarendon, 1970.

MLA-referens

Richards, W.G, och J.A Horsley. Ab Initio Molecular Orbital Calculations for Chemistry. Clarendon, 1970.