Cita APA (7a ed.)

LAURINI, R., & THOMPSON, D. (1993). Fundamentals of spatial information systems. Academic Press.

Cita Chicago Style (17a ed.)

LAURINI, Robert, y Derek THOMPSON. Fundamentals of Spatial Information Systems. California: Academic Press, 1993.

Cita MLA (9a ed.)

LAURINI, Robert, y Derek THOMPSON. Fundamentals of Spatial Information Systems. Academic Press, 1993.