Cita APA (7a ed.)
Barff, R. A., & Hewitt, D. E. (1989). Second-order analysis of bivariate point patterns. Professional Geographer, 41, 183-190.
Cita Chicago Style (17a ed.)
Barff, Richard A., y Dawn E. Hewitt. "Second-order Analysis of Bivariate Point Patterns." Professional Geographer 41 (1989): 183-190.
Cita MLA (9a ed.)
Barff, Richard A., y Dawn E. Hewitt. "Second-order Analysis of Bivariate Point Patterns." Professional Geographer, vol. 41, 1989, pp. 183-190.
Precaución: Estas citas no son 100% exactas.