APA (7th ed.) Citation

Katayama, K. (1994). Obāsan no aoi sora (Shohan 1 satsu.). Kaiseisha.

Chicago Style (17th ed.) Citation

Katayama, Ken. Obāsan No Aoi Sora. Shohan 1 satsu. Tōkyō: Kaiseisha, 1994.

MLA (9th ed.) Citation

Katayama, Ken. Obāsan No Aoi Sora. Shohan 1 satsu. Kaiseisha, 1994.

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