APA Citation

Hellman, H. (1973). The city in the world of the future. USA: Dell Publishing.

Chicago Style Citation

Hellman, Hall. The City in the World of the Future. USA: Dell Publishing, 1973.

MLA Citation

Hellman, Hall. The City in the World of the Future. USA: Dell Publishing, 1973.

Warning: These citations may not always be 100% accurate.