Parker, I. S. Further observations on savannah elephant tusks. IUCN.
Chicago Style (17th ed.) CitationParker, Ian SC. Further Observations on Savannah Elephant Tusks. IUCN.
MLA (9th ed.) CitationParker, Ian SC. Further Observations on Savannah Elephant Tusks. IUCN.
Warning: These citations may not always be 100% accurate.