Friedrich, D., & Heckmann, W. (1995). Aids in Europe - the behavioural aspect: Vol. 2: risk behaviour and its determinants. Berlin: SIGMA.
Chicago Style (17th ed.) CitationFriedrich, Dorothee, and Wolfgang Heckmann. Aids in Europe - the Behavioural Aspect: Vol. 2: Risk Behaviour and Its Determinants. Berlin: SIGMA, 1995.
MLA (8th ed.) CitationFriedrich, Dorothee, and Wolfgang Heckmann. Aids in Europe - the Behavioural Aspect: Vol. 2: Risk Behaviour and Its Determinants. Berlin: SIGMA, 1995.
Warning: These citations may not always be 100% accurate.