APA-referens

Niering, W. A. (1966). Life of the Marsh: The North American Wetlands. Mc Graw- Hill Book Company Inc.

Chicago-stil citat

Niering, Willilam A. Life of the Marsh: The North American Wetlands. New York: Mc Graw- Hill Book Company Inc, 1966.

MLA-referens

Niering, Willilam A. Life of the Marsh: The North American Wetlands. Mc Graw- Hill Book Company Inc, 1966.