Natyashastra
जानूपरि करं ह्येकमपरं वक्षसि स्थितम् । अवलोक्य दिशः कृत्वा चिबुकं बाहुमस्तके ॥ १५५॥
One hand placed upon the knee, the other resting on the chest, Having looked in all directions, the chin placed upon the shoulder.
english translation
jAnUpari karaM hyekamaparaM vakSasi sthitam । avalokya dizaH kRtvA cibukaM bAhumastake ॥ 155॥
hk transliteration by Sanscript