Cita APA

Sheppard, S., Nevin, N. C., Seller, M. J., Wild, J., Smithells, R. W., Read, A. P., . . . Schorah, C. J. (1989). Neural tube defect recurrence after 'partial' vitamin supplementation.

Chicago Style Citation

Sheppard, S., N C. Nevin, M J. Seller, J. Wild, R W. Smithells, A P. Read, R. Harris, D W. Fielding, i C J. Schorah. Neural Tube Defect Recurrence After 'partial' Vitamin Supplementation. 1989.

Cita MLA

Sheppard, S., et al. Neural Tube Defect Recurrence After 'partial' Vitamin Supplementation. 1989.