Cita APA (7a ed.)

Heiniger, A. J., & Hillary, E. (1993). Spirit of enterprise: The 1993 Rolex Awards. Buri.

Cita Chicago Style (17a ed.)

Heiniger, André J., y Edmund Hillary. Spirit of Enterprise: The 1993 Rolex Awards. Bern: Buri, 1993.

Cita MLA (9a ed.)

Heiniger, André J., y Edmund Hillary. Spirit of Enterprise: The 1993 Rolex Awards. Buri, 1993.