Peterson, J. A., & Tuxill, J. D. (1998). Losing strands in the web of life: Vertebrate declines and the conservation of biological diversity. Worldwatch Institute.
Цитирование в стиле Чикаго (17-е изд.)Peterson, Jane A., и John D. Tuxill. Losing Strands in the Web of Life: Vertebrate Declines and the Conservation of Biological Diversity. Washington, DC: Worldwatch Institute, 1998.
Цитирование MLA (9-е изд.)Peterson, Jane A., и John D. Tuxill. Losing Strands in the Web of Life: Vertebrate Declines and the Conservation of Biological Diversity. Worldwatch Institute, 1998.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.