APA (7th ed.) Citation

Yoon, J. (1974). A study on rural population. [s.n.].

Chicago Style (17th ed.) Citation

Yoon, Jong-Joo. A Study on Rural Population. Seoul: [s.n.], 1974.

MLA (9th ed.) Citation

Yoon, Jong-Joo. A Study on Rural Population. [s.n.], 1974.