ISO690 Edition Citation

ASVALL, J. E. 1998. Principles for preventing HIV infection among drug users. Copenhagen: WHO.

APA (7th ed.) Citation

Asvall, J. E. (1998). Principles for preventing HIV infection among drug users. WHO.

Chicago Style (17th ed.) Citation

Asvall, Jo E. Principles for Preventing HIV Infection Among Drug Users. Copenhagen: WHO, 1998.

MLA (9th ed.) Citation

Asvall, Jo E. Principles for Preventing HIV Infection Among Drug Users. WHO, 1998.

Warning: These citations may not always be 100% accurate.