Cita APA (7th ed.)

Boel, M., Lee, S., Rijken, M., Paw, M., Pimanpanarak, M., Tan, S., . . . Mcgready, R. (2009). Castor oil for induction of labour: Not harmful, not helpful.

Cita Chicago (17th ed.)

Boel, M., S. Lee, M. Rijken, M. Paw, M. Pimanpanarak, S. Tan, P. Singhasivanon, F. Nosten, i R. Mcgready. Castor Oil for Induction of Labour: Not Harmful, Not Helpful. 2009.

Cita MLA (9th ed.)

Boel, M., et al. Castor Oil for Induction of Labour: Not Harmful, Not Helpful. 2009.