Cita APA (7a ed.)

克利夫兰 & 宋伟. (2018). 按需知密: Need to know. 湖南文艺出版社.

Cita Chicago Style (17a ed.)

克利夫兰 y 宋伟. 按需知密: Need to Know. 湖南文艺出版社, 2018.

Cita MLA (8a ed.)

克利夫兰 y 宋伟. 按需知密: Need to Know. 湖南文艺出版社, 2018.