Cita APA (7a ed.)

Spencer Bradshaw, B. (1969). Fertility differences in Peru: A reconsideration. The University of Texas at Austin. Institute of Latin American Studies.

Cita Chicago Style (17a ed.)

Spencer Bradshaw, Benjamin. Fertility Differences in Peru: A Reconsideration. Texas: The University of Texas at Austin. Institute of Latin American Studies, 1969.

Cita MLA (9a ed.)

Spencer Bradshaw, Benjamin. Fertility Differences in Peru: A Reconsideration. The University of Texas at Austin. Institute of Latin American Studies, 1969.