Sound recording
Sound recording (physical copy eg on CD)
Family name, INITIAL(S) (of recordist) or Company name. Year. Title of individual recording. Title of album. [Sound recording]. Place of recording: Label.
Example:
BBC. 1994. Country pub at lunchtime. Essential sound effects of England. [Sound recording]. London: BBC Enterprises.
Sound recording (online)
Family name, INITIAL(S) (of recordist) or Company name. Year. Title. [Sound recording]. [Date accessed]. Available from: URL
Example:
Watts, D. 1984. Oriolus larvatus: African Black-headed Oriole - Oriolidae. [Sound recording]. [Accessed 15 July 2017]. Available from: http://sounds.bl.uk/