The 9th edition of the MLA Handbook recommends using the following core elements in every citation. If elements are missing from the source, they should be omitted from the citation.

Author.
Title of source.
Title of container,
Other contributors,
Version,
Number,
Publisher,
Publication date
Location.

For information on citing books see the MLA Style Center.

Print book:

Rollin, Bernard E. Science and Ethics. Cambridge UP, 2006.

Book by a group author:

American Medical Association. American Medical Association Family Medical Guide, 4th edition, Wiley, 2004.

Article or chapter within an edited book:

Winne, Philip H. “Self-regulated Learning Viewed from Models of Information Processing.” Self-regulated Learning and Academic Achievement, edited by Barry J. Zimmerman and Dale H. Schunk, Lawrence Erlbaum Associates, 2001, pp. 153-190.

Translation:

Tolstoy, Leo. War and Peace. Translated by Anthony Briggs, Viking, 2006.

E-book:

Tetlock, Phillip E., and Dan Gardner. Superforecasting: The Art and Science of Prediction. E-book ed., Crown, 2015.

Note: For more information on citing e-books see the MLA Style Center.