APA Citation

(1982). UGI corporation, the first 100 years. [Place of publication not identified]: [publisher not identified].

Chicago Style Citation

UGI Corporation, the First 100 Years. [Place of publication not identified]: [publisher not identified], 1982.

MLA Citation

UGI Corporation, the First 100 Years. [Place of publication not identified]: [publisher not identified], 1982.

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