APA (7th ed.) Citation

Yang, Z., & Zhao, X. (1972). Hechuan-Mamenxi-long. Kexue chuban she.

Chicago Style (17th ed.) Citation

Yang, Zhongjian, and Xijin Zhao. Hechuan-Mamenxi-long. [Beijing]: Kexue chuban she, 1972.

MLA (9th ed.) Citation

Yang, Zhongjian, and Xijin Zhao. Hechuan-Mamenxi-long. Kexue chuban she, 1972.

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