APA (7th ed.) Citation

Philosophy... (1990). Philosophy and the future of humanity. Uiversitas Nasional.

Chicago Style (17th ed.) Citation

Philosophy... Philosophy and the Future of Humanity. Uiversitas Nasional, 1990.

MLA (8th ed.) Citation

Philosophy... Philosophy and the Future of Humanity. Uiversitas Nasional, 1990.

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