Cita APA (7a ed.)

Symposium on Abortion: Medical Progress and Social Implications. London (1984) & Porter, R. (1985). Abortion: Medical progress and social implications. Ciba Foundation symposium.

Cita Chicago Style (17a ed.)

Symposium on Abortion: Medical Progress and Social Implications. London (1984) y Ruth Porter. "Abortion: Medical Progress and Social Implications." Ciba Foundation Symposium 1985.

Cita MLA (9a ed.)

Symposium on Abortion: Medical Progress and Social Implications. London (1984) y Ruth Porter. "Abortion: Medical Progress and Social Implications." Ciba Foundation Symposium, 1985.