APA (7th ed.) Citation

Halim, H., & Proborini, Y. Roller coaster. Aswaja Pressindo.

Chicago Style (17th ed.) Citation

Halim, Harjanto, and Yuktiasih Proborini. Roller Coaster. Aswaja Pressindo.

MLA (8th ed.) Citation

Halim, Harjanto, and Yuktiasih Proborini. Roller Coaster. Aswaja Pressindo.

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