Hyakka benran :
sekai dai hyakka jiten = Heibonsha's world encyclopaedia.
百科便覧 : 世界大百科事典 = Heibonsha's world encyclopaedia
APA Citation
Heibonsha., 平凡社. (2003). Hyakka benran: sekai dai hyakka jiten = Heibonsha's world encyclopaedia. 4-teiban. Tōkyō: Heibonsha.
MLA Citation
Heibonsha, and 平凡社. Hyakka Benran: Sekai Dai Hyakka Jiten = Heibonsha's World Encyclopaedia. 4-teiban. Tōkyō: Heibonsha, 2003.
Warning: These citations may not always be complete (especially for serials).