APA (7th ed.) Citation

龚勋. (2012). 中国未解之谜. 人民武警出版社.

Chicago Style (17th ed.) Citation

龚勋. 中国未解之谜. 人民武警出版社, 2012.

MLA (8th ed.) Citation

龚勋. 中国未解之谜. 人民武警出版社, 2012.

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