Manasara 58.6

58.6

sthānakaṃ cāsanaṃ caiva yakṣavidyādharādibhiḥ
dakṣiṇā svastikaṃ pādaṃ vāmapādaṃ tu kuñcitam

Yakṣas, Vidyādharas, and others may be represented in standing or seated postures: / the right foot in svastika posture, and the left foot bent;