Não informado. (1918). Bulletin of the Biological Society of Washington. Biological Society of Washington.
Chicagoスタイル(17版)引用形式Não informado. Bulletin of the Biological Society of Washington. Washington: Biological Society of Washington, 1918.
MLA(8版)引用形式Não informado. Bulletin of the Biological Society of Washington. Biological Society of Washington, 1918.
警告: この引用は必ずしも正確ではありません.