Lesley Bremness. 2002. Smithsonian Handbooks: Herbs. Dorling Kindersley Publishing, 304p.

Published April 2020
Utah State University Extension
Peer-reviewed fact sheet
put it in a proper referencing format

Bremness, Lesley. 2002. Smithsonian Handbooks: Herbs. Dorling Kindersley Publishing, 304p.

Utah State University Extension. (2020, April). Peer-reviewed fact sheet.