Haeckel, E. The History of Creation, Vol. 2 (of 2) Or the Development of the Earth and its Inhabitants by the Action of Natural Causes.
Chicago Style (17th ed.) CitationHaeckel, Ernst. The History of Creation, Vol. 2 (of 2) Or the Development of the Earth and Its Inhabitants by the Action of Natural Causes.
MLA (9th ed.) CitationHaeckel, Ernst. The History of Creation, Vol. 2 (of 2) Or the Development of the Earth and Its Inhabitants by the Action of Natural Causes.
Warning: These citations may not always be 100% accurate.