Styl cytowania APA

Sprout, H., & Margaret, S. (1971). Toward a politics of the planet earth. Nostrand.

Styl cytowania Chicago

Sprout, Harold, i Sprout Margaret. Toward a Politics of the Planet Earth. New York: Nostrand, 1971.

Styl cytowania MLA

Sprout, Harold, i Sprout Margaret. Toward a Politics of the Planet Earth. Nostrand, 1971.