APA (7th ed.) Citation

The Beatles, Beat Brothers, c., & Sheridan, T. (1990). The early tapes of The Beatles. Polygram Ibérica.

Chicago Style (17th ed.) Citation

The Beatles, coautor Beat Brothers, and Tony Sheridan. The Early Tapes of The Beatles. Madrid: Polygram Ibérica, 1990.

MLA (9th ed.) Citation

The Beatles, et al. The Early Tapes of The Beatles. Polygram Ibérica, 1990.