Helmken, C. M., & Catlett, J. (1989). AIDS: Images for survival / exhibition and book created by Charles Michael Helmken. [With coordination assistance from Joanne Catlett]. Shoshin Society.
Cita Chicago (17th ed.)Helmken, Charles Michael, i Joanne Catlett. AIDS: Images for Survival / Exhibition and Book Created by Charles Michael Helmken. [With Coordination Assistance from Joanne Catlett]. Washington, DC: Shoshin Society, 1989.
Cita MLA (8th ed.)Helmken, Charles Michael, i Joanne Catlett. AIDS: Images for Survival / Exhibition and Book Created by Charles Michael Helmken. [With Coordination Assistance from Joanne Catlett]. Shoshin Society, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.