APA STYLE GUIDE
Books
Example(s) of In-Text Citation
Example(s) of Reference List
(Print & Online)
Single author
The toothpick is considered the “simplest
of manufactured things” (Petroski, 2007,
Petroski, H. (2007). The Toothpick. New York, NY: Vintage Books.
p. 3)
OR
Petroski (2007) claimed that …
Two authors
Christensen and Eyring (2011) …
OR
Christensen, C.M., & Eyring, J.H. (2011). The Innovative University. San Francisco,
“… to enhance prestige” (Christensen &
CA: Jossey-Bass.
Eyring, 2011, p. 198)
3, 4, 5 authors
Tompkins, White, Bozer, and Tanchoco
(2010)
Tompkins, J.A., White, J.A.,Bozer, Y.A., & Tanchoco, J.M.A. (2010). Facilities
Planning. Hoboken, NJ: John Wiley & Sons.
When reference is made the first time
around, all the authors have to be cited.
In succeeding citations, only the last
name of the first author followed by et al.
Tompkins et al. (2010) argued that …
OR
(Tompkins et al., 2010)
8 or more
Tan et al. (2005) demonstrated that …
authors
OR
Tan, T. Y., Borschberg, P., Ng, C.k., Lau, L.,Ngiam, T.D., Nathan, S.R., … Tan, B.T.
(Tan et al., 2005)
(2005). Maritme Heritage of Singapore. Singapore: Suntree Media.
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