APA (7th ed.) Citation

Sobur, A. (1991). Anak masa depan. Angkasa.

Chicago Style (17th ed.) Citation

Sobur, Alex. Anak Masa Depan. Angkasa, 1991.

MLA (8th ed.) Citation

Sobur, Alex. Anak Masa Depan. Angkasa, 1991.

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