Cita APA (7a ed.)

Ferrini, A. F., & Ferrini, R. L. (1993). Health in the later years (2nd ed.). Brown & Benchmark.

Cita Chicago Style (17a ed.)

Ferrini, Armeda F., y Rebecca L. Ferrini. Health in the Later Years. 2nd ed. Madison, Wisc.: Brown & Benchmark, 1993.

Cita MLA (8a ed.)

Ferrini, Armeda F., y Rebecca L. Ferrini. Health in the Later Years. 2nd ed. Brown & Benchmark, 1993.