APA

Koch E., Wagner G., . (1972). The individuality of colours: contributions to a methodical schooling in experience of colour, from the work of the School in Dornach, Switzerland of Gérard Wagner and Elisabeth Koch. London: Anthroposophical Society in Great Britain.

Chicago

Koch Elisabeth, Wagner Gerard, . 1972. The individuality of colours: contributions to a methodical schooling in experience of colour, from the work of the School in Dornach, Switzerland of Gérard Wagner and Elisabeth Koch. London: Anthroposophical Society in Great Britain.

Harvard

Koch E., Wagner G., . (1972). The individuality of colours: contributions to a methodical schooling in experience of colour, from the work of the School in Dornach, Switzerland of Gérard Wagner and Elisabeth Koch. London: Anthroposophical Society in Great Britain.

MLA

Koch Elisabeth, Wagner Gerard, . The individuality of colours: contributions to a methodical schooling in experience of colour, from the work of the School in Dornach, Switzerland of Gérard Wagner and Elisabeth Koch. London: Anthroposophical Society in Great Britain. 1972.