APA

Risser P. G., International Council of Scientific Unions, . (1991). Long-term ecological research. Chichester [England]: Published on behalf of the S cientific Committee on Problems of the Environment (SCOPE) of the Inter national Council of Scientific Unions (ICSU) by Wiley.

Chicago

Risser Paul G, International Council of Scientific Unions, . 1991. Long-term ecological research. Chichester [England]: Published on behalf of the S cientific Committee on Problems of the Environment (SCOPE) of the Inter national Council of Scientific Unions (ICSU) by Wiley.

Harvard

Risser P. G., International Council of Scientific Unions, . (1991). Long-term ecological research. Chichester [England]: Published on behalf of the S cientific Committee on Problems of the Environment (SCOPE) of the Inter national Council of Scientific Unions (ICSU) by Wiley.

MLA

Risser Paul G, International Council of Scientific Unions, . Long-term ecological research. Chichester [England]: Published on behalf of the S cientific Committee on Problems of the Environment (SCOPE) of the Inter national Council of Scientific Unions (ICSU) by Wiley. 1991.