Cita APA (7th ed.)
Gentile, W. F., LeoGrande, W. M., & Ramírez Mercado, S. (1989). Nicaragua: Photographs by William Frank Gentile. Penguin Books ; Norton.
Cita Chicago (17th ed.)
Gentile, William Frank, William M. LeoGrande, i Sergio Ramírez Mercado. Nicaragua: Photographs by William Frank Gentile. Ontario, Canadá : Nueva York, EUA: Penguin Books ; Norton, 1989.
Cita MLA (9th ed.)
Gentile, William Frank, et al. Nicaragua: Photographs by William Frank Gentile. Penguin Books ; Norton, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.