Lam, W. L., Cohen, A., Tsouluhas, D., & Doolittle, W. F. (1990). Genes for tryptophan biosynthesis in the archaebacterium Haloferax volcanii. Proc Natl Acad Sci U S A.
Citação norma ChicagoLam, W L., A. Cohen, D. Tsouluhas, and W F. Doolittle. "Genes for Tryptophan Biosynthesis in the Archaebacterium Haloferax Volcanii." Proc Natl Acad Sci U S A 1990.
MLA引文Lam, W L., A. Cohen, D. Tsouluhas, and W F. Doolittle. "Genes for Tryptophan Biosynthesis in the Archaebacterium Haloferax Volcanii." Proc Natl Acad Sci U S A 1990.
警告：這些引文格式不一定是100％准確.