Cita APA

Smith, L., Folkard, S., Tucker, P., & Macdonald, I. (1998). Work shift duration: A review comparing eight hour and 12 hour shift systems. BMJ Group.

Citación estilo Chicago

Smith, L., S. Folkard, P. Tucker, y I. Macdonald. Work Shift Duration: A Review Comparing Eight Hour and 12 Hour Shift Systems. BMJ Group, 1998.

Cita MLA

Smith, L., S. Folkard, P. Tucker, y I. Macdonald. Work Shift Duration: A Review Comparing Eight Hour and 12 Hour Shift Systems. BMJ Group, 1998.