Citazione Stile APA (7a Edizione)

Walker, P. A., Smith, D. J., & Davis, J. R. (1978). Computer programs for the Nelligen Geographic Processing System. CSIRO Division of Land Use Research.

Citazione stile Chigago Style (17a edizione)

Walker, P. A., D. J. Smith, e J. R. Davis. Computer Programs for the Nelligen Geographic Processing System. Canberra: CSIRO Division of Land Use Research, 1978.

Citatione MLA (8a ed.)

Walker, P. A., et al. Computer Programs for the Nelligen Geographic Processing System. CSIRO Division of Land Use Research, 1978.