APA (7th ed.) Citation

Hatta, M. ., & Yasni, Z. (1981). Bung Hatta's answers: Interviews. Gunung Agung.

Chicago Style (17th ed.) Citation

Hatta, Mohammad , and Zainul Yasni. Bung Hatta's Answers: Interviews. Singapore: Gunung Agung, 1981.

MLA (9th ed.) Citation

Hatta, Mohammad , and Zainul Yasni. Bung Hatta's Answers: Interviews. Gunung Agung, 1981.