MLA

Yangjŏn p'yŏn'Go. [s.n.], 1870. https://collections.library.yale.edu/catalog/10256717.

APA, 6th edition

Yangjŏn p'yŏn'go. (1870). [Government records, Military records, Treatises]. [s.n.], https://collections.library.yale.edu/catalog/10256717.