BibTeX entry

Ebook entry
@book{ahtt5e,
author = {Lienhard, IV, J. H. and Lienhard, V, J. H.},
title = {A Heat Transfer Textbook},
publisher = {Phlogiston Press},
year = {2020},
month = aug # “~14”,
address = {Cambridge, MA},
edition = {5th},
url = {http://ahtt.mit.edu},
note = {Version 5.10},
language = english,
pagetotal = {784},
}

Printed book entry
@book{ahtt5p,
author = {Lienhard, IV, J. H. and Lienhard, V, J. H.},
title = {A Heat Transfer Textbook},
publisher = {Dover Publications},
year = {2019},
month = dec,
address = {Mineola, NY},
edition = {5th},
isbn = {9780486837352},
url = {http://ahtt.mit.edu},
language = english,
pagetotal = {784},
}