Cita APA (7th ed.)

Sibley, C., & Baker, P. (2006). The placenta and neurodisability. London : Mac Keith Press.

Cita Chicago (17th ed.)

Sibley, Colin, i Philip Baker. The Placenta and Neurodisability. London : Mac Keith Press, 2006.

Cita MLA (9th ed.)

Sibley, Colin, i Philip Baker. The Placenta and Neurodisability. London : Mac Keith Press, 2006.