Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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