APA (7th ed.) Citation

Kungnip Chiriwŏn. (1987). 1: 50,000 chihyŏngdo. Kungnip Chiriwŏn.

Chicago Style (17th ed.) Citation

Kungnip Chiriwŏn. 1: 50,000 Chihyŏngdo. [Seoul]: Kungnip Chiriwŏn, 1987.

MLA (8th ed.) Citation

Kungnip Chiriwŏn. 1: 50,000 Chihyŏngdo. Kungnip Chiriwŏn, 1987.

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