APA (7th ed.) Citation

Tea Merchants (Musical group), Brotherton, R., & De Cógáin, M. (2007). One lump or two? [publisher not identified].

Chicago Style (17th ed.) Citation

Tea Merchants (Musical group), Rich Brotherton, and Máirtin De Cógáin. One Lump or Two? [Place of publication not identified]: [publisher not identified], 2007.

MLA (9th ed.) Citation

Tea Merchants (Musical group), et al. One Lump or Two? [publisher not identified], 2007.