APA citiranje

Ceballos, M. M., & Hatch, T. P. (1979). Use of HeLa cell guanine nucleotides by Chlamydia psittaci.

Citação norma Chicago

Ceballos, M M., and T P. Hatch. Use of HeLa Cell Guanine Nucleotides By Chlamydia Psittaci. 1979.

MLA citiranje

Ceballos, M M., and T P. Hatch. Use of HeLa Cell Guanine Nucleotides By Chlamydia Psittaci. 1979.