Cita APA

SpringerLink (Online service), Burgio, G. R., Fraccaro, M., Tiepolo, L., & Wolf, U. (1981). Trisomy 21: An International Symposium Convento delle Clarisse, Rapallo, Italy, November 8 - 10, 1979. Berlin, Heidelberg: Springer Berlin Heidelberg.

Citación estilo Chicago

SpringerLink (Online service), G. Roberto Burgio, Marco Fraccaro, Luciano Tiepolo, y Ulrich Wolf. Trisomy 21: An International Symposium Convento Delle Clarisse, Rapallo, Italy, November 8 - 10, 1979. Berlin, Heidelberg: Springer Berlin Heidelberg, 1981.

Cita MLA

SpringerLink (Online service), et al. Trisomy 21: An International Symposium Convento Delle Clarisse, Rapallo, Italy, November 8 - 10, 1979. Berlin, Heidelberg: Springer Berlin Heidelberg, 1981.