Grey, Z., & Buka, D. (1990). Riders of the purple sage: Riders of the purple sage series, book 1 (Unabridged.). Recorded Books Inc..
Цитирование в стиле Чикаго (17-е изд.)Grey, Zane, и Donald Buka. Riders of the Purple Sage: Riders of the Purple Sage Series, Book 1. Unabridged. Prince Frederick: Recorded Books Inc., 1990.
Цитирование MLA (8-е изд.)Grey, Zane, и Donald Buka. Riders of the Purple Sage: Riders of the Purple Sage Series, Book 1. Unabridged. Recorded Books Inc., 1990.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.