APA (7th ed.) Citation

Heilbronner, E., & Straub. (1966). Hückel molecular orbitals HMO. Springer-Verlag.

Chicago Style (17th ed.) Citation

Heilbronner, Edgar, and Straub. Hückel Molecular Orbitals HMO. Berlin: Springer-Verlag, 1966.

MLA (9th ed.) Citation

Heilbronner, Edgar, and Straub. Hückel Molecular Orbitals HMO. Springer-Verlag, 1966.