APA (7th ed.) Citation

牛庆国. (2019). 北斗星下. 甘肃文化出版社.

Chicago Style (17th ed.) Citation

牛庆国. 北斗星下. 甘肃文化出版社, 2019.

MLA (8th ed.) Citation

牛庆国. 北斗星下. 甘肃文化出版社, 2019.

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