Cita APA (7th ed.)

Getts, G. B., Ritchkin, P. H., & Salkin, H. M. (1989). Portfolio risk management: A computer simulation for stock and options. Addison-Wesley.

Cita Chicago (17th ed.)

Getts, Gregory B., Peter H. Ritchkin, i Harvey M. Salkin. Portfolio Risk Management: A Computer Simulation for Stock and Options. Reading, Mass: Addison-Wesley, 1989.

Cita MLA (9th ed.)

Getts, Gregory B., et al. Portfolio Risk Management: A Computer Simulation for Stock and Options. Addison-Wesley, 1989.