APA ציטוט

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.

ציטוט MLA

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