APA

Howarth R. W., Stewart J. W. B. & Ivanov M. V. (1992). Sulphur cycling on the continents. Chichester: Published on behalf of the Scientific Committee on Problems of the Environment of the International Council of Scientific Unions, and in collaboration with the United Nations Environment Programme by Wiley.

Chicago

Howarth Robert Warren, Stewart J W B and Ivanov M V. 1992. Sulphur cycling on the continents. Chichester: Published on behalf of the Scientific Committee on Problems of the Environment of the International Council of Scientific Unions, and in collaboration with the United Nations Environment Programme by Wiley.

Harvard

Howarth R. W., Stewart J. W. B. and Ivanov M. V. (1992). Sulphur cycling on the continents. Chichester: Published on behalf of the Scientific Committee on Problems of the Environment of the International Council of Scientific Unions, and in collaboration with the United Nations Environment Programme by Wiley.

MLA

Howarth Robert Warren, Stewart J W B and Ivanov M V. Sulphur cycling on the continents. Chichester: Published on behalf of the Scientific Committee on Problems of the Environment of the International Council of Scientific Unions, and in collaboration with the United Nations Environment Programme by Wiley. 1992.