Cita APA (7th ed.)

(1987). Spirit of Enterprise (The 1987 Rolex Awards). Van Nostrand.

Cita Chicago (17th ed.)

Spirit of Enterprise (The 1987 Rolex Awards). Berkshire, England: Van Nostrand, 1987.

Cita MLA (9th ed.)

Spirit of Enterprise (The 1987 Rolex Awards). Van Nostrand, 1987.

Atenció: Aquestes cites poden no estar 100% correctes.