APA način citiranja (7. izdanje)
Gilkey, P. B. (2001). Geometric properties of natural operators defined by the Riemann curvature tensor. World Scientific.
Čikaški stil citiranja (17. izdanje)
Gilkey, Peter B. Geometric Properties of Natural Operators Defined by the Riemann Curvature Tensor. River Edge, NJ: World Scientific, 2001.
MLA način citiranja (9. izdanje)
Gilkey, Peter B. Geometric Properties of Natural Operators Defined by the Riemann Curvature Tensor. World Scientific, 2001.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.