Citação norma APA

Ashrafi, I., Kohram, H., Naijan, H., Bahreini, M., & Mirzakhani, H. (2012). Retraction: Effect of controlled and uncontrolled cooling rate on motility parameters of cryopreserved ram spermatozoa. BioMed Central.

Citação norma Chicago

Ashrafi, Iraj, Hamid Kohram, Hamid Naijan, Majid Bahreini, and Hamid Mirzakhani. Retraction: Effect of Controlled and Uncontrolled Cooling Rate On Motility Parameters of Cryopreserved Ram Spermatozoa. BioMed Central, 2012.

Citação norma MLA

Ashrafi, Iraj, et al. Retraction: Effect of Controlled and Uncontrolled Cooling Rate On Motility Parameters of Cryopreserved Ram Spermatozoa. BioMed Central, 2012.

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