APA (7th ed.) Citation

Wolf, S. (1989). Teror Melanda Kelas 9A. Penerbit PT Gramedia.

Chicago Style (17th ed.) Citation

Wolf, Stefan. Teror Melanda Kelas 9A. Jakarta: Penerbit PT Gramedia, 1989.

MLA (9th ed.) Citation

Wolf, Stefan. Teror Melanda Kelas 9A. Penerbit PT Gramedia, 1989.

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