Paper  doi  bibtex   

@book{hooker_icones_1871,
	address = {London :},
	title = {Icones plantarum or figures, with brief descriptive characters and remarks, of new or rare plants, selected from the author's herbarium.},
	url = {http://www.biodiversitylibrary.org/bibliography/16059},
	urldate = {2019-10-01},
	publisher = {Longman, Rees, Orme, Brown, Green, \& Longman, etc.},
	author = {Hooker, Joseph Dalton and Hooker, William Jackson},
	year = {1871},
	doi = {10.5962/bhl.title.16059},
}