Cita APA (7th ed.)

Second Thoughts Conference (1987 : Washington, D.C.), Collier, P., & Horowitz, D. (1989). Second thoughts: Former radicals look back at the sixties. Madison books.

Cita Chicago (17th ed.)

Second Thoughts Conference (1987 : Washington, D.C.), Peter Collier, i David Horowitz. Second Thoughts: Former Radicals Look Back at the Sixties. Lanham, MD: Madison books, 1989.

Cita MLA (9th ed.)

Second Thoughts Conference (1987 : Washington, D.C.), et al. Second Thoughts: Former Radicals Look Back at the Sixties. Madison books, 1989.