If there is information missing from your reference and you cannot find it, there are still ways to reference the information using the APA format:
If no date on the document use (n.d.) – For example:
In text –
Royal College of Nursing (n.d.) OR (Royal College of Nursing, n.d.).
In the reference list –
Royal College of Nursing. (n.d.). Dignity: Principle A. Retreived from https://www.rcn.org.uk/clinical-topics/nutrition-and-hydration/current-work/dignity
No place of publication:
If no place of Publication on the document use (n.p.) – For example:
Huber, D. (2018). Leadership & nursing care management (6th ed.). (n.p.): Elsevier.
When a work has no identified author, cite in text the first few words of the reference
list entry (usually the title) and the year. Here is an example of a journal article:
“Care and society” (2016) OR (“Care and society”, 2016).
In text use double quotation marks around the title of an article, a chapter, or a web page, and italicise the title of a journal, a book, a brochure, or a report.
In the reference list:
Care and society. (2016). The Lancet, 388, 1246. doi:10.1016/S0140-6736(16)31704-4