Sahih Bukhari

Narrated `Abdullah bin `Abdullah:I saw `Abdullah bin `Umar crossing his legs while sitting in the prayer and I, a mere youngster in those days, did the same. Ibn `Umar forbade me to do so, and said, ""The proper way is to keep the right foot propped up and bend the left in the prayer."" I said questioningly, ""But you are doing so (crossing the legs)."" He said, ""My feet cannot bear my weight