APA

Gruen V., . (1973). Centers for the urban environment: survival of the cities. New York: Van Nostrand Reinhold Co.

Chicago

Gruen Victor, . 1973. Centers for the urban environment: survival of the cities. New York: Van Nostrand Reinhold Co.

Harvard

Gruen V., . (1973). Centers for the urban environment: survival of the cities. New York: Van Nostrand Reinhold Co.

MLA

Gruen Victor, . Centers for the urban environment: survival of the cities. New York: Van Nostrand Reinhold Co. 1973.