Cita APA (7th ed.)
Stephen C. (2013). When a people reach the top of a hill. Лань.
Cita Chicago (17th ed.)Stephen C. When a People Reach the Top of a Hill. Санкт-Петербург: Лань, 2013.
Cita MLA (8th ed.)Stephen C. When a People Reach the Top of a Hill. Лань, 2013.
Atenció: Aquestes cites poden no estar 100% correctes.