How do i use ibid and where can i find detailed instuctions on its use?

Question

Im writing a history paper and i have three books and all the info comes from them, the teacher says ibid should be used, but i dont know what he is talking about

Answer 1

"The term ibid is short for the Latin ibidem meaning 'in the same place' and is used when the next reference is the same as the last one"

This is according to the website below. For complete information, visit the website.
The Research Observatory
The use of ibid and op cit. The terms ibid and op cit are used in referencing to avoid duplicating the same ... The term ibid is short for the Latin ibidem ...www.uwe.ac.uk/ro/room2/cref/cref11.shtml

Answer 2

Check this one out - it should help.

http://www.sas.upenn.edu/chem/library/infoclass/ibid.html