APA (7th ed.) Citation

Loeser, J. D., & Melzack, R. (1999). Pain, an overview. [s.n.].

Chicago Style (17th ed.) Citation

Loeser, John D., and Ronald Melzack. Pain, an Overview. [S.l.]: [s.n.], 1999.

MLA (9th ed.) Citation

Loeser, John D., and Ronald Melzack. Pain, an Overview. [s.n.], 1999.