APA Style

Poton, G, W. et al (1972). A Text book of Jurisprudence. (4th edition.). Geat Britain:: Oxford at the Clarendon Press..

MLA Style

Poton, Georege, Whitecross.. et al. "A Text book of Jurisprudence.". 4th edition. Geat Britain:: Oxford at the Clarendon Press., 1972. Text.