APA (7th ed.) Citation

Engel, P. H. (1982). High risk (Rev. ed.). Fontana ; Collins.

Chicago Style (17th ed.) Citation

Engel, Peter H. High Risk. Rev. ed. London: Fontana ; Collins, 1982.

MLA (8th ed.) Citation

Engel, Peter H. High Risk. Rev. ed. Fontana ; Collins, 1982.