APA (7e ed.) Bronvermelding

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.

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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