Trích dẫn APA

Xu, S., Xiao, J., Posfai, J., Maunus, R., & Benner, J. (1997). Cloning of the BssHII restriction-modification system in Escherichia coli: BssHII methyltransferase contains circularly permuted cytosine-5 methyltransferase motifs.

Trích dẫn kiểu Chicago

Xu, S., J. Xiao, J. Posfai, R. Maunus, và J. Benner. Cloning of the BssHII Restriction-modification System in Escherichia Coli: BssHII Methyltransferase Contains Circularly Permuted Cytosine-5 Methyltransferase Motifs. 1997.

Trích dẫn MLA

Xu, S., et al. Cloning of the BssHII Restriction-modification System in Escherichia Coli: BssHII Methyltransferase Contains Circularly Permuted Cytosine-5 Methyltransferase Motifs. 1997.

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