Cita APA (7a ed.)

Spence, D. (1997). Introduction to Futures and Options. ELSEVIER.

Cita Chicago Style (17a ed.)

Spence, Donald. Introduction to Futures and Options. ELSEVIER, 1997.

Cita MLA (8a ed.)

Spence, Donald. Introduction to Futures and Options. ELSEVIER, 1997.