Citação norma APA

Brown L Barbara & Stanley B Brown. (1972). Realm of science. V. 20: Directions and dimensions of life: ecology, man and nature. Kentucky.

Citação norma Chicago

Brown L Barbara and Stanley B Brown. Realm of Science. V. 20: Directions and Dimensions of Life: Ecology, Man and Nature. Kentucky, 1972.

Citação norma MLA

Brown L Barbara and Stanley B Brown. Realm of Science. V. 20: Directions and Dimensions of Life: Ecology, Man and Nature. Kentucky, 1972.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.