APA (7th ed.) Citation

D. P. R. K. Pyongyang. (1964). On The Kyungrak System. Foreign Languages Publishing House.

Chicago Style (17th ed.) Citation

D. P. R. K. Pyongyang. On The Kyungrak System. Korea: Foreign Languages Publishing House, 1964.

MLA (9th ed.) Citation

D. P. R. K. Pyongyang. On The Kyungrak System. Foreign Languages Publishing House, 1964.

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