APA (7th ed.) Citation

Indoor Air Congress Helsinki. (1994). The Indoor Air '93 Congress. Pergamon.

Chicago Style (17th ed.) Citation

Indoor Air Congress Helsinki. The Indoor Air '93 Congress. Oxford: Pergamon, 1994.

MLA (9th ed.) Citation

Indoor Air Congress Helsinki. The Indoor Air '93 Congress. Pergamon, 1994.

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