APA Citation

(1989). Specification for cast iron boilers for central heating and indirect hot water supply ( rated output 44 kW and above ). London: BSI.

Chicago Style Citation

Specification for Cast Iron Boilers for Central Heating and Indirect Hot Water Supply ( Rated Output 44 KW and Above ). London: BSI, 1989.

MLA Citation

Specification for Cast Iron Boilers for Central Heating and Indirect Hot Water Supply ( Rated Output 44 KW and Above ). London: BSI, 1989.

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