When you refer to a chapter in a book you can think of it like you're reading an article in a journal. It is accordingly the author of the chapter you refer to, not the editor of the book.
Such a book is often called an anthology or a collection volume.
Author's last name, first name (year of publication). Title of the chapter. In The book's editors (ed.). The book's title. Place of publication: Publisher.
Please observe that the word In is used before the reference to the anthology.
The text reference looks like a book with one author.
Mulinari, Diana (2007). Familjer över gränser. In Hjerm, Mikael & Peterson Abby (ed.) Etnicitet : perspektiv på samhället. Malmö: Gleerups utbildning. p. 194-217.
Selnes, F., & Sallis, J. (2003). Promoting relationship learning. In Egan, J. & Harker, M.J. (ed.), Relationship marketing. Vol.3. Paradigm or perspective: The future of relationship marketing. London: SAGE Publications, p. 277-304
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Phone 0520 - 22 34 10 or e-mail firstname.lastname@example.org
Chat with a librarian - we are avaliable weekdays between 10 -17 o'clock during spring and autumn semester.