Format: Author/Editor year(s): page
Ex., all volumes: Habermas 1984-1987
Ex., volume with separate title: Habermas 1987: 155
Format: Author’s/Editor’s last name, A. A.. (first year–last year, or one year if all volumes are printed in the same year). Title: Subtitle (edition, number of volumes). Place published: publisher.
Ex.: Habermas, J. (1984-1987). The theory of communicative action (vol. 1-2). Beacon press.
Single volumes with individual titles:
Format: Author’s last name, A. A.. (year). Title: Subtitle. Publisher.
Ex.: Habermas, J. (1987). Theory of communcative action Vol 2: Lifeworld and system: A critique of functionalist reason. Beacon press.
Note: If the volume does not have its own title, write Vol and number in parentheses without italics
Add as Book or Edited book
Fill in the fields: Author/Editor, Year(s), Title, Publisher + Volume