Cita APA (7a ed.)

Schooyans, M., Barton, M., & Nguyen, P. (1980). Abortion: A political approach. Catholic University of Louvain.

Cita Chicago Style (17a ed.)

Schooyans, Michel, M.A Barton, y P. Nguyen. Abortion: A Political Approach. Louvain-la-Neuve: Catholic University of Louvain, 1980.

Cita MLA (9a ed.)

Schooyans, Michel, et al. Abortion: A Political Approach. Catholic University of Louvain, 1980.