Gaya APA

Herbert, D, T., Johnston, R. (1980). Geography and the urban environment : progress in research and applications volume III . Chichester: John Wiley & Sons, Inc..

Gaya MLA

Herbert, D., T.., Johnston, R.J.. "Geography and the urban environment : progress in research and applications volume III". Chichester: John Wiley & Sons, Inc., 1980. Text.