APA način citiranja (7. izdanje)

Leffelaar, P. (1993). On systems analysis and simulation of ecological processes: With examples in CSMP and FORTRAN. Kluwer.

Čikaški stil citiranja (17. izdanje)

Leffelaar, P.A. On Systems Analysis and Simulation of Ecological Processes: With Examples in CSMP and FORTRAN. Dordrecht: Kluwer, 1993.

MLA način citiranja (9. izdanje)

Leffelaar, P.A. On Systems Analysis and Simulation of Ecological Processes: With Examples in CSMP and FORTRAN. Kluwer, 1993.