Cita APA (7a ed.)

Kapteyn, A., Kooreman, P., & Willemse, R. (1987). Some methodological issues in the implementation of subjective poverty definitions. [s.n.].

Cita Chicago Style (17a ed.)

Kapteyn, Arie, Peter Kooreman, y Rob Willemse. Some Methodological Issues in the Implementation of Subjective Poverty Definitions. [S.l.]: [s.n.], 1987.

Cita MLA (9a ed.)

Kapteyn, Arie, et al. Some Methodological Issues in the Implementation of Subjective Poverty Definitions. [s.n.], 1987.