Cita APA (7a ed.)

Petrusewicz, K. (1967). Secondary productivity of terrestrial ecosystems: Principles and methods. Institute of Ecology, Polish Academy of Sciences ; IBP.

Cita Chicago Style (17a ed.)

Petrusewicz, K. Secondary Productivity of Terrestrial Ecosystems: Principles and Methods. Warszawa: Institute of Ecology, Polish Academy of Sciences ; IBP, 1967.

Cita MLA (8a ed.)

Petrusewicz, K. Secondary Productivity of Terrestrial Ecosystems: Principles and Methods. Institute of Ecology, Polish Academy of Sciences ; IBP, 1967.