APA Style
De, S, K. et al (2017).
S. K. DE's Fundamentals of Ear, Nose and Throat & Head-Neck Surgery (11th ed.).
Kolkata:
The new book stall.
MLA Style
De, Shyamal, Kumar. et al.
"S. K. DE's Fundamentals of Ear, Nose and Throat & Head-Neck Surgery".
11th ed.
Kolkata:
The new book stall,
2017.
Text.