APA (7th ed.) Citation

Lang, M. (1983). Vital life supports for N. Y. C. through the 20th Century. Journal of Urban Planning & Development, 109, 21. https://doi.org/10.1061/(ASCE)0733-9488(1983)109:1(21)

Chicago Style (17th ed.) Citation

Lang, M. "Vital Life Supports for N. Y. C. Through the 20th Century." Journal of Urban Planning & Development 109 (1983): 21. https://doi.org/10.1061/(ASCE)0733-9488(1983)109:1(21).

MLA (9th ed.) Citation

Lang, M. "Vital Life Supports for N. Y. C. Through the 20th Century." Journal of Urban Planning & Development, vol. 109, 1983, p. 21, https://doi.org/10.1061/(ASCE)0733-9488(1983)109:1(21).