APA Style
Penman, I, D., Ralston, S, H. (2023).
Davidson’s Principles & Practice of medicine (24th ed.).
New Delhi:
Elsevier.
MLA Style
Penman, Ian, D.., Ralston, Stuart, H..
"Davidson’s Principles & Practice of medicine".
24th ed.
New Delhi:
Elsevier,
2023.
Text.