Hayward, A., Lorain, D., & Shangle, R. D. (1996). Volcano, Mount St. Helens: Before, during, after, May 18, 1980. American Products Co. ; Prime distributor, United Products Corp..
Цитирование в стиле Чикаго (17-е изд.)Hayward, Al, Douglas Lorain, и Robert D. Shangle. Volcano, Mount St. Helens: Before, During, After, May 18, 1980. Portland, Or.: American Products Co. ; Prime distributor, United Products Corp., 1996.
Цитирование MLA (8-е изд.)Hayward, Al, et al. Volcano, Mount St. Helens: Before, During, After, May 18, 1980. American Products Co. ; Prime distributor, United Products Corp., 1996.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.