How to format the reference like this

Dear,

How to format the reference like this shown below?

I do not know how to set [1] and move the p. from numbered format. Thanks.

[1] Thwaites D, Scalliet P, Leer J-W, Overgaard J. Quality assurance in radiotherapy. European Society for Therapeutic Radiology and Oncology Advisory Report to the Commission of the European Union for the ‘Europe Against Cancer Programme’. Radiother Oncol 1995;35:61-73.

please attach the style you are using, so we can see what it is set to now and can suggest (or modify it!) to get what you want below.

 

[1] Thwaites D, Scalliet P, Leer J-W, Overgaard J. Quality assurance in radiotherapy. European Society for Therapeutic Radiology and Oncology Advisory Report to the Commission of the European Union for the ‘Europe Against Cancer Programme’. Radiother Oncol 1995;35:61-73.