The classic would still be:
@BOOK{woods:hos,
author = "James Houghton Woods",
title = "Yoga-system of {P}ata{\~n}jali",
publisher = "Motilal Banarasidass",
year = 1977,
series = "Harvarad Oriental Series",
volume = 17,
address = "Delhi",
edition = "3rd. reprint",
}
This includes translations of the Bhaa.sya and the .Tiikaa (of
Vaacaspati).
--
kengo harimoto