Citação norma APA

Razin, S. V., Petrov, P., & Hancock, R. (1991). Precise localization of the alpha-globin gene cluster within one of the 20- to 300-kilobase DNA fragments released by cleavage of chicken chromosomal DNA at topoisomerase II sites in vivo: Evidence that the fragments are DNA loops or domains.

Citação norma Chicago

Razin, S V., P. Petrov, and R. Hancock. Precise Localization of the Alpha-globin Gene Cluster Within One of the 20- to 300-kilobase DNA Fragments Released By Cleavage of Chicken Chromosomal DNA At Topoisomerase II Sites in Vivo: Evidence That the Fragments Are DNA Loops or Domains. 1991.

Citação norma MLA

Razin, S V., P. Petrov, and R. Hancock. Precise Localization of the Alpha-globin Gene Cluster Within One of the 20- to 300-kilobase DNA Fragments Released By Cleavage of Chicken Chromosomal DNA At Topoisomerase II Sites in Vivo: Evidence That the Fragments Are DNA Loops or Domains. 1991.

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