Cita APA (7a ed.)

Etzkowitz, H., & Leydesdorff, L. A. (1997). Universities and the global knowledge economy: A triple helix of university-industry-government relations. Pinter.

Cita Chicago Style (17a ed.)

Etzkowitz, Henry, y Loet A. Leydesdorff. Universities and the Global Knowledge Economy: A Triple Helix of University-industry-government Relations. London [etc.]: Pinter, 1997.

Cita MLA (9a ed.)

Etzkowitz, Henry, y Loet A. Leydesdorff. Universities and the Global Knowledge Economy: A Triple Helix of University-industry-government Relations. Pinter, 1997.