Cita APA

Langford, I. H., & Bentham, G. (1993). Epidemiology of childhood leukemia.

Chicago Style Citation

Langford, I H., i G. Bentham. Epidemiology of Childhood Leukemia. 1993.

Cita MLA

Langford, I H., i G. Bentham. Epidemiology of Childhood Leukemia. 1993.

Atenció: Aquestes cites poden no estar 100% correctes.