APA (7th ed.) Citation

Satō, S. (1988). A little country no one knows (1. ed.). Kōdansha [u.a.].

Chicago Style (17th ed.) Citation

Satō, Satoru. A Little Country No One Knows. 1. ed. Tōkyō: Kōdansha [u.a.], 1988.

MLA (9th ed.) Citation

Satō, Satoru. A Little Country No One Knows. 1. ed. Kōdansha [u.a.], 1988.