In an APA paper appendix is the non-compulsory page. It is used to provide unissued tests. In the APA formatting style each works cited appendix should seem on each page.Thes … e appendixes can be distinguished by referring Appendix 1, Appendix 2 and so on.n an APA paper appendix is the non-compulsory page. It is used to provide unissued tests. In the APA formatting style each works cited appendix should seem on each page.