APA (7th ed.) Citation

Ravenstein, E. G. (1974). Eguo ren zai heilongjiang. Shang wu yin shu guan.

Chicago Style (17th ed.) Citation

Ravenstein, Ernst Georg. Eguo Ren Zai Heilongjiang. Beijing: Shang wu yin shu guan, 1974.

MLA (9th ed.) Citation

Ravenstein, Ernst Georg. Eguo Ren Zai Heilongjiang. Shang wu yin shu guan, 1974.