Gaya APA
Mildred, W, J, G, F, &, W.
(1961).
The key to Boston.
.
Philadelphia:
Philadelphia JB Lippincott Co.
Gaya MLA
Mildred, Weston, Jr.,, George, F., &, Weston,.
"The key to Boston. ".
Philadelphia:
Philadelphia JB Lippincott Co,
1961.
Buku.