Cita APA (7a ed.)

Kotarbinski, T. (1965). Praxiology: An introduction to the sciences of efficient action (1st English ed.). Pergamon [etc.].

Cita Chicago Style (17a ed.)

Kotarbinski, Tadeusz. Praxiology: An Introduction to the Sciences of Efficient Action. 1st English ed. Oxford [etc.]: Pergamon [etc.], 1965.

Cita MLA (9a ed.)

Kotarbinski, Tadeusz. Praxiology: An Introduction to the Sciences of Efficient Action. 1st English ed. Pergamon [etc.], 1965.