Cita APA (7a ed.)

Labeaga Azcona, J. M., Preston, I., & Sanchis-Llopis, J. A. (2001). Demand, childbirth and the costs of babies: Evidence from spanish panel data. Instituto de Estudios Fiscales.

Cita Chicago Style (17a ed.)

Labeaga Azcona, José María, Ian Preston, y Juan A. Sanchis-Llopis. Demand, Childbirth and the Costs of Babies: Evidence from Spanish Panel Data. Madrid: Instituto de Estudios Fiscales, 2001.

Cita MLA (9a ed.)

Labeaga Azcona, José María, et al. Demand, Childbirth and the Costs of Babies: Evidence from Spanish Panel Data. Instituto de Estudios Fiscales, 2001.