APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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