APA (7th ed.) Citation

Bengtsson, L. P., Lindgren, L., & Odeblad, E. (1968). Cervical insufficiency.

Chicago Style (17th ed.) Citation

Bengtsson, Lars Philip, Lennart Lindgren, and Erik Odeblad. Cervical Insufficiency. Lund, 1968.

MLA (9th ed.) Citation

Bengtsson, Lars Philip, et al. Cervical Insufficiency. 1968.