Knowlton, N. Citizens of the sea: Wondrous creatures from the census of marine life.
Chicago Edition CitationKnowlton, Nancy. Citizens of the Sea: Wondrous Creatures from the Census of Marine Life. National geographic, Washington, D C.
MLA Edition CitationKnowlton, Nancy. Citizens of the Sea: Wondrous Creatures from the Census of Marine Life.
Warning: These citations may not always be 100% accurate.