Cita APA (7a ed.)

Costello, M. A., & Madigan, F. C. (1979). Current fertility. Mindanao Center for Population Studies, Research Institute for Mindanao Culture, Xavier University.

Cita Chicago Style (17a ed.)

Costello, Michael A., y Francis C. Madigan. Current Fertility. Cagayan de Oro City: Mindanao Center for Population Studies, Research Institute for Mindanao Culture, Xavier University, 1979.

Cita MLA (9a ed.)

Costello, Michael A., y Francis C. Madigan. Current Fertility. Mindanao Center for Population Studies, Research Institute for Mindanao Culture, Xavier University, 1979.