APA (7th ed.) Citation

Dobbins, R., & Witt, S. F. (1983). Portfolio theory and investment management (1. publ.). Robertson.

Chicago Style (17th ed.) Citation

Dobbins, Richard, and Stephen F. Witt. Portfolio Theory and Investment Management. 1. publ. Oxford: Robertson, 1983.

MLA (9th ed.) Citation

Dobbins, Richard, and Stephen F. Witt. Portfolio Theory and Investment Management. 1. publ. Robertson, 1983.