APA引文

Hoffer, M. M. Symposium on Orthopedic surgery in the mentally retarded.

Chicago Style (17th ed.) Citation

Hoffer, M. Mark. Symposium on Orthopedic Surgery in the Mentally Retarded.

MLA引文

Hoffer, M. Mark. Symposium on Orthopedic Surgery in the Mentally Retarded.

警告：這些引文格式不一定是100％准確.