Your choices are v-brake/canti cartridge and road cartridge, both available in threaded post style.
http://jagwireusa.com/index.php/products/v/Switchback v-brake/canti
http://jagwireusa.com/index.php/prod...Pro_Cross_Lite road style with threaded post
To be clear, that's the Shimano road style. Campy road style are not available with the threaded post suitable for mounting on a v-brake as far as I know.