APA (7th ed.) Citation

Olerich, H. (1971). A cityless and countryless world. Arno Press.

Chicago Style (17th ed.) Citation

Olerich, Henry. A Cityless and Countryless World. New York: Arno Press, 1971.

MLA (9th ed.) Citation

Olerich, Henry. A Cityless and Countryless World. Arno Press, 1971.