APA引文

Marble, D. F., Calkins, H. W., & Peuquet, D. J. (1984). Basic readings in geographic information systems. SPAD Systems.

Chicago Style (17th ed.) Citation

Marble, Duane F., Hugh W. Calkins, and Donna J. Peuquet. Basic Readings in Geographic Information Systems. Williamsville, N.Y: SPAD Systems, 1984.

MLA引文

Marble, Duane F., et al. Basic Readings in Geographic Information Systems. SPAD Systems, 1984.