Haeckel, E. Freedom in Science and Teaching. from the German of Ernst Haeckel.
Chicago Style (17th ed.) CitationHaeckel, Ernst. Freedom in Science and Teaching. from the German of Ernst Haeckel.
MLA (9th ed.) CitationHaeckel, Ernst. Freedom in Science and Teaching. from the German of Ernst Haeckel.
Warning: These citations may not always be 100% accurate.