APA (7th ed.) Citation

Hamka. (1990). Hamka membahas soal-soal Islam. Penerbitan Gerhana.

Chicago Style (17th ed.) Citation

Hamka. Hamka Membahas Soal-soal Islam. Kuala Lumpur: Penerbitan Gerhana, 1990.

MLA (9th ed.) Citation

Hamka. Hamka Membahas Soal-soal Islam. Penerbitan Gerhana, 1990.

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