Bowen, Z. P. (1967). Brachiopoda of the Keyser Limestone (Silurian-Devonian) of Maryland and adjacent areas. Geological Society of America.
Цитирование в стиле Чикаго (17-е изд.)Bowen, Zeddie Paul. Brachiopoda of the Keyser Limestone (Silurian-Devonian) of Maryland and Adjacent Areas. [New York]: Geological Society of America, 1967.
Цитирование MLA (9-е изд.)Bowen, Zeddie Paul. Brachiopoda of the Keyser Limestone (Silurian-Devonian) of Maryland and Adjacent Areas. Geological Society of America, 1967.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.