APA (7th ed.) Citation

EM, H. (1994). A way out of this invisible hell. Professional nurse (London, England), 9(4), 286.

Chicago Style (17th ed.) Citation

EM, Harding. "A Way Out of This Invisible Hell." Professional Nurse (London, England) 9, no. 4 (1994): 286.

MLA (9th ed.) Citation

EM, Harding. "A Way Out of This Invisible Hell." Professional Nurse (London, England), vol. 9, no. 4, 1994, p. 286.