APA (7th ed.) Citation

Bah• Ull•h. (1992). The seven valleys. Nightingale Books.

Chicago Style (17th ed.) Citation

Bah• Ull•h. The Seven Valleys. Nightingale Books, 1992.

MLA (9th ed.) Citation

Bah• Ull•h. The Seven Valleys. Nightingale Books, 1992.

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