APA Alıntı

Friberg, L., Kaij, L., Dencker, S. J., & Jonsson, E. (1959). Smoking Habits of Monozygotic and Dizygotic Twins.

Chicago Stili Alıntı

Friberg, Lars, Lennart Kaij, Sven J. Dencker, ve Erland Jonsson. Smoking Habits of Monozygotic and Dizygotic Twins. 1959.

MLA Alıntı

Friberg, Lars, Lennart Kaij, Sven J. Dencker, ve Erland Jonsson. Smoking Habits of Monozygotic and Dizygotic Twins. 1959.