Simpson, S.G. (2009) Subsystems of second order arithmetic [cd]. Second edition., Perspectives in logic. Second edition. Cambridge: Cambridge University Press.
Chicago Manual of Style 17th edition (full note)Simpson, Stephen G. Subsystems of second order arithmetic. Cd. Perspectives in logic. Second edition. Cambridge: Cambridge University Press, [2009?], Cambridge: Cambridge University Press, [2009?].
American Psychological Association 7th editionSimpson, S. G. (ca. 2009). Subsystems of second order arithmetic [Cd]. In Perspectives in logic (Second edition.). Cambridge University Press.
Modern Language Association 9th editionSimpson, S. G. „Subsystems of second order arithmetic“. Perspectives in logic, Second edition., cd, Cambridge University Press, 2009.
ISO-690 (author-date, Deutsch)SIMPSON, Stephen G., 2009. Subsystems of second order arithmetic. Second edition. Cambridge: Cambridge University Press. ISBN 9780511581007