The radio amateur's handbook /
by the Headquarters staff of the American Radio Relay League
APA Citation
American Radio Relay League. (1970). The radio amateur's handbook. 47th ed Newington, Conn.: The League.
MLA Citation
American Radio Relay League. The Radio Amateur's Handbook. 47th ed Newington, Conn.: The League, 1970.
Warning: These citations may not always be complete (especially for serials).