Schwarz, E. A. Classified List of Species Observed by H. G. Hubbard on the Giant Cactus. Wiley.
Chicago Style (17th ed.) CitationSchwarz, E. A. Classified List of Species Observed by H. G. Hubbard on the Giant Cactus. Wiley.
MLA (9th ed.) CitationSchwarz, E. A. Classified List of Species Observed by H. G. Hubbard on the Giant Cactus. Wiley.
Warning: These citations may not always be 100% accurate.