BibTex format
@inbook{Bentley:2018,
author = {Bentley, P and Sharma, P},
booktitle = {Clinical pharmacology: 12th edition},
editor = {Brown and Sharma and Mir and Bennett},
publisher = {Elsevier},
title = {Neurological disorders - epilepsy, Parkinson's disease and multiple sclerosis},
year = {2018}
}