Cita APA

Shannon, H. S., Williams, M. K., & King, E. (1976). Sickness absence of lead workers and controls.

Chicago Style Citation

Shannon, H S., M K. Williams, i E. King. Sickness Absence of Lead Workers and Controls. 1976.

Cita MLA

Shannon, H S., M K. Williams, i E. King. Sickness Absence of Lead Workers and Controls. 1976.