APA (7th ed.) Citation

Feldmann, M., Londei, M., & Haworth, C. (1989). T cells and lymphokines.

Chicago Style (17th ed.) Citation

Feldmann, M., M. Londei, and C. Haworth. T Cells and Lymphokines. 1989.

MLA (9th ed.) Citation

Feldmann, M., et al. T Cells and Lymphokines. 1989.