Lua APA (7ú heag.)
Eilenberg, S., & Steenrod, N. E. (1952). Foundations of algebraic topology. Princeton University Press.
Lua i Stíl Chicago (17ú heag.)
Eilenberg, Samuel, agus Norman Earl Steenrod. Foundations of Algebraic Topology. Princeton, New Jersey: Princeton University Press, 1952.
Lua MLA (9ú heag.)
Eilenberg, Samuel, agus Norman Earl Steenrod. Foundations of Algebraic Topology. Princeton University Press, 1952.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.