Cita APA

Downer, H., Inwood, S., & Knox, K. (1988). Baby walkers and the premature infant.

Chicago Style Citation

Downer, H., S. Inwood, i K. Knox. Baby Walkers and the Premature Infant. 1988.

Cita MLA

Downer, H., S. Inwood, i K. Knox. Baby Walkers and the Premature Infant. 1988.

Atenció: Aquestes cites poden no estar 100% correctes.