Cita APA (7a ed.)

Crespo, A., Turjanski, A., & Estrin, D. (2002). Electronic spectra of indolyl radicals: A time-dependent DFT study. https://doi.org/10.1016/S0009-2614(02)01333-7

Cita Chicago Style (17a ed.)

Crespo, A., A.G Turjanski, y D.A Estrin. Electronic Spectra of Indolyl Radicals: A Time-dependent DFT Study. 2002. https://dx.doi.org/10.1016/S0009-2614(02)01333-7.

Cita MLA (8a ed.)

Crespo, A., et al. Electronic Spectra of Indolyl Radicals: A Time-dependent DFT Study. 2002.