APA-ийн эшлэл(7 дахь хэвлэлт)

Cook, P., & Brazell, I. (1977). The superhelical density of nuclear DNA from human cells.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Cook, P., ба I. Brazell. The Superhelical Density of Nuclear DNA from Human Cells. 1977.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Cook, P., ба I. Brazell. The Superhelical Density of Nuclear DNA from Human Cells. 1977.