  The electromagnetic form factors of the $\pi$ and the $\rho$ are obtained
using the three forms of relativistic kinematics, instant form, point form and
(light) front form. Simple representations of the mass operator together with
single quark currents are employed with all the forms. The Poincar\'e covariant
current operators are generated by the dynamics from single-quark currents that
are covariant under the kinematic subgroup. Front and instant forms allow to
reproduce the available data for the pion form factor. On the other hand point
form is not able to reproduce qualitatively the experimental data with
reasonable values for the wave function parameters. For the $\rho$
electromagnetic form factors, instant and front forms provide a consistent
picture. The obtained results do not depend appreciably on the wave function
used.
