Cita APA

Ryan, S., Congdon, P. J., James, J., Truscott, J., & Horsman, A. (1988). Mineral accretion in the human fetus.

Chicago Style Citation

Ryan, S., P J. Congdon, J. James, J. Truscott, i A. Horsman. Mineral Accretion in the Human Fetus. 1988.

Cita MLA

Ryan, S., et al. Mineral Accretion in the Human Fetus. 1988.