APA (7th ed.) Citation

Bittker, J. A., Le, B. V., Liu, J. M., Liu, D. R., & Joyce, G. F. (2004). Directed Evolution of Protein Enzymes Using Nonhomologous Random Recombination. Proceedings of the National Academy of Sciences - PNAS, 101(18), 7011-7016. https://doi.org/10.1073/pnas.0402202101

Chicago Style (17th ed.) Citation

Bittker, Joshua A., Brian V. Le, Jane M. Liu, David R. Liu, and Gerald F. Joyce. "Directed Evolution of Protein Enzymes Using Nonhomologous Random Recombination." Proceedings of the National Academy of Sciences - PNAS 101, no. 18 (2004): 7011-7016. https://doi.org/10.1073/pnas.0402202101.

MLA (9th ed.) Citation

Bittker, Joshua A., et al. "Directed Evolution of Protein Enzymes Using Nonhomologous Random Recombination." Proceedings of the National Academy of Sciences - PNAS, vol. 101, no. 18, 2004, pp. 7011-7016, https://doi.org/10.1073/pnas.0402202101.