APA (7th ed.) Citation

Burr, J. G. (1957). Comparison of methods for computing bond orders and electron densities. Journal of Chemical Physics, 26, 431.

Chicago Style (17th ed.) Citation

Burr, J. G. "Comparison of Methods for Computing Bond Orders and Electron Densities." Journal of Chemical Physics 26 (1957): 431.

MLA (9th ed.) Citation

Burr, J. G. "Comparison of Methods for Computing Bond Orders and Electron Densities." Journal of Chemical Physics, vol. 26, 1957, p. 431.