APA aipamena

Hou, J., Liu, L., Zhang, J., Cui, X., Yan, F., Guan, H., . . . An, X. (2008). Epigenetic modification of histone 3 at lysine 9 in sheep zygotes and its relationship with DNA methylation. BioMed Central.

Chicago Style aipamena

Hou, Jian, Lei Liu, Jing Zhang, Xiu-Hong Cui, Feng-Xiang Yan, Hong Guan, Yong-Fu Chen, and Xiao-Rong An. Epigenetic Modification of Histone 3 At Lysine 9 in Sheep Zygotes and Its Relationship With DNA Methylation. BioMed Central, 2008.

MLA aipamena

Hou, Jian, et al. Epigenetic Modification of Histone 3 At Lysine 9 in Sheep Zygotes and Its Relationship With DNA Methylation. BioMed Central, 2008.