APA
Bensusan S., .Velasquez. New York: Frederick A. Stokes Co.
Chicago
Bensusan S.L, .Velasquez. New York: Frederick A. Stokes Co.
Harvard
Bensusan S., .Velasquez. New York: Frederick A. Stokes Co.
MLA
Bensusan S.L, .New York: Frederick A. Stokes Co. .