Citação norma APA

Romanelli, A., Shekhtman, A., Cowburn, D., & Muir, T. W. (2004). Semisynthesis of a segmental isotopically labeled protein splicing precursor: NMR evidence for an unusual peptide bond at the N-extein–intein junction. National Academy of Sciences.

Citação norma Chicago

Romanelli, Alessandra, Alexander Shekhtman, David Cowburn, and Tom W. Muir. Semisynthesis of a Segmental Isotopically Labeled Protein Splicing Precursor: NMR Evidence for an Unusual Peptide Bond At the N-extein–intein Junction. National Academy of Sciences, 2004.

Citação norma MLA

Romanelli, Alessandra, Alexander Shekhtman, David Cowburn, and Tom W. Muir. Semisynthesis of a Segmental Isotopically Labeled Protein Splicing Precursor: NMR Evidence for an Unusual Peptide Bond At the N-extein–intein Junction. National Academy of Sciences, 2004.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.