ebrary, Inc, Schuster, R. L., & Egred, J. (1991). The March 5, 1987, Ecuador earthquakes: Mass wasting and socioeconomic effects. National Academy Press.
Цитирование в стиле Чикаго (17-е изд.)ebrary, Inc, Robert L. Schuster, и José Egred. The March 5, 1987, Ecuador Earthquakes: Mass Wasting and Socioeconomic Effects. Washington, D.C.: National Academy Press, 1991.
Цитирование MLA (9-е изд.)ebrary, Inc, et al. The March 5, 1987, Ecuador Earthquakes: Mass Wasting and Socioeconomic Effects. National Academy Press, 1991.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.