APA引文

Penafort, R. (1998). Outcome of hip fractures in the elderly.

Chicago Style (17th ed.) Citation

Penafort, Robert. Outcome of Hip Fractures in the Elderly. 1998.

MLA引文

Penafort, Robert. Outcome of Hip Fractures in the Elderly. 1998.

警告：这些引文格式不一定是100％准确.