Παραπομπή APA

Smith, D. S., & Hellmund, P. C. (1993). Ecology of greenways. Minneapolis, MN: University of Minnesota Press.

Παραπομπή Chicago Style

Smith, Daniel S., and Paul C. Hellmund. Ecology of Greenways. Minneapolis, MN: University of Minnesota Press, 1993.

Παραπομπή MLA

Smith, Daniel S., and Paul C. Hellmund. Ecology of Greenways. Minneapolis, MN: University of Minnesota Press, 1993.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.