APA (7th ed.) Citation

District Heating Association. (1978). District Heating '77: Second National Conference, March 1977 [of the] District Heating Association. [District Heating Association].

Chicago Style (17th ed.) Citation

District Heating Association. District Heating '77: Second National Conference, March 1977 [of the] District Heating Association. [Caterham]: [District Heating Association], 1978.

MLA (9th ed.) Citation

District Heating Association. District Heating '77: Second National Conference, March 1977 [of the] District Heating Association. [District Heating Association], 1978.