APA (7th ed.) Citation
Gillett Harriet J. & Walter Kerry S. (1998). 1997 IUCN Red List of Threatened Plants. IUCN.
Chicago Style (17th ed.) Citation
Gillett Harriet J. and Walter Kerry S. 1997 IUCN Red List of Threatened Plants. IUCN, 1998.
MLA (9th ed.) Citation
Gillett Harriet J. and Walter Kerry S. 1997 IUCN Red List of Threatened Plants. IUCN, 1998.
Warning: These citations may not always be 100% accurate.