Cita APA (7th ed.)

López, Á. (1961). Problems in stable population theory. Office of Population Research, Princeton University.

Cita Chicago (17th ed.)

López, Álvaro. Problems in Stable Population Theory. Princeton, N.J.: Office of Population Research, Princeton University, 1961.

Cita MLA (9th ed.)

López, Álvaro. Problems in Stable Population Theory. Office of Population Research, Princeton University, 1961.