Massive Vector Polarizations in Spherical Coordinates

1. Jun 13, 2013

Hepth

I can't seem to find one, but does anyone have a reference to the fourvector polarizations for a massive vector particle in spherical coordinates where a momentum is defined as

$$p = \{E, |\vec{p}| \sin \theta \sin \phi, |\vec{p}|\sin \theta \cos \phi , |\vec{p}| \cos \theta\}$$
theta goes from 0..pi (angle off of z axis)
phi from 0..2 pi (angle about z axis)

So I'm just looking for the longitudinal and two transverse components of $\epsilon^{\mu}$. (Circular basis is probably best).

I can find them for a particle in its rest frame, but I need it in any generic frame (or rather something else's rest frame).

Maye its just obvious and I'm missing it but I can't seem to find it anywhere in generic angles.