Citations - APA Style: Citing Electronic Books and Chapters APA 7 Format

Gale eBooks (No DOI)

Roberts, T. M. (2003). Know-Nothing Party. In S. I. Kutler (Ed.), 

      Dictionary of American history (3rd ed., Vol. 4, pp. 
      
      540-541). Charles Scribner's Sons. 

Oxford Reference (with DOI)

Basalt.(2020). In Allaby, M. A dictionary of geology and Earth sciences

      (5th ed.). Oxford University Press. https://doi.org/10.1093/acref/

      9780198839033.001.0001

General Format for Electronic Books:

Author [Last name], A. [Initial(s)] (Year). Title of the book. 
     Place of publication: publisher. DOI [if available]

Book with DOI:

Hancock, P., & Skinner, B. (Eds.) (2000). The Oxford companion 

      to the Earth. Oxford University Press. https://doi.org/

      10.1093/acref/9780198540397.001.0001

Book without DOI from an academic database

Evans, C., & Tippins, Emma. (2007). The foundations of emergency care. 

      Maidenhead, Berkshire: McGraw-Hill/Open University Press.