APA (7th ed.) Citation

May, K., & May, K. (2002). Dan damai di bumi! KPG.

Chicago Style (17th ed.) Citation

May, Karl, and Karl May. Dan Damai Di Bumi! KPG, 2002.

MLA (8th ed.) Citation

May, Karl, and Karl May. Dan Damai Di Bumi! KPG, 2002.

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