APA

Rosenbaum, P. R. (2010). Design of observational studies. New York: Springer.

MLA

Rosenbaum, Paul R. Design of Observational Studies. New York: Springer, 2010. Print.

CHICAGO

Rosenbaum, Paul R. 2010. Design of observational studies. New York: Springer.

HARVARD

ROSENBAUM, P. R. (2010). Design of observational studies. New York, Springer.

TURABIAN

Rosenbaum, Paul R. Design of Observational Studies. New York: Springer, 2010.