Cita APA (7th ed.)

Castillo, M. T. (2000). Life contingencies: Math 164. Department of Mathematics, University of the Philippines.

Cita Chicago (17th ed.)

Castillo, Maritina T. Life Contingencies: Math 164. Diliman, Q.C: Department of Mathematics, University of the Philippines, 2000.

Cita MLA (9th ed.)

Castillo, Maritina T. Life Contingencies: Math 164. Department of Mathematics, University of the Philippines, 2000.