Heinzel, G. (1844). De Macrozamia preissii. Zenodo.
Chicago Style (17th ed.) CitationHeinzel, Gustav. De Macrozamia Preissii. Zenodo, 1844.
MLA (9th ed.) CitationHeinzel, Gustav. De Macrozamia Preissii. Zenodo, 1844.
Warning: These citations may not always be 100% accurate.