APA (7th ed.) Citation

Hogan, H. L., Lehnhard, M. N., & Warnell, K. S. (1972). Euthanasia: Selected references (Revised.). Congressional Research Service.

Chicago Style (17th ed.) Citation

Hogan, Harry L., Mary Nell Lehnhard, and Katherine S. Warnell. Euthanasia: Selected References. Revised. [Washington, District of Columbia]: Congressional Research Service, 1972.

MLA (9th ed.) Citation

Hogan, Harry L., et al. Euthanasia: Selected References. Revised. Congressional Research Service, 1972.