Where a work has an original author or editor and has been translated, you need to include the details of the author/editor and the translator.  You only include details of the translator in the bibliography.

Shortened footnote or endnote:

Note Number. Author Surname, Short Title, Page.

Example:

12. Zhmud, Pythagoras , 118.

Entry in a bibliography:

Author Surname, First Name. Title. Translated by First Name Surname. Place: Publisher, Year.

Example:

Zhmud, Leonid. Pythagoras and the Early Pythagoreans. Translated by Kevin Winder and Rosh Ireland. Oxford: Oxford University Press, 2012.

Name order - note that the format for the translator's name is First Name Surname.