Cita APA (7a ed.)

Halbach, E. C., & Scoles, E. F. (1977). Problems and materials on future interests. Little, Brown.

Cita Chicago Style (17a ed.)

Halbach, Edward C., y Eugene F. Scoles. Problems and Materials on Future Interests. Boston: Little, Brown, 1977.

Cita MLA (8a ed.)

Halbach, Edward C., y Eugene F. Scoles. Problems and Materials on Future Interests. Little, Brown, 1977.