Cita APA (7a ed.)

Fraser, A. K., & Lugg, G. W. (1962). Work study in agriculture. Land Books.

Cita Chicago Style (17a ed.)

Fraser, Alan K., y Gordon W. Lugg. Work Study in Agriculture. London: Land Books, 1962.

Cita MLA (8a ed.)

Fraser, Alan K., y Gordon W. Lugg. Work Study in Agriculture. Land Books, 1962.