The tragedie of King Richard the third :
contayning his treacherous plots against his brother Clarence: the pittifull murder of his innocent nephewes: his tyrannicall vsurpation: with the whole course of his detested life, and most deserued death. As it hath been lately acted by the kings maiesties seruants /
newly augmented, by William Shake-speare.

APA Citation

Shakespeare, W. (1622). The tragedie of King Richard the third: contayning his treacherous plots against his brother Clarence: the pittifull murder of his innocent nephewes: his tyrannicall vsurpation: with the whole course of his detested life, and most deserued death. As it hath been lately acted by the kings maiesties seruants. London: Printed by Thomas Purfoot, and are to be sold by Mathew Law.

MLA Citation

Shakespeare, William, 1564-1616. The Tragedie of King Richard the Third: Contayning His Treacherous Plots Against His Brother Clarence: the Pittifull Murder of His Innocent Nephewes: His Tyrannicall Vsurpation: With the Whole Course of His Detested Life, And Most Deserued Death. As it Hath Been Lately Acted by the Kings Maiesties Seruants. London: Printed by Thomas Purfoot, and are to be sold by Mathew Law, 1622.

Warning: These citations may not always be complete (especially for serials).