Cita APA (7a ed.)

Benedikt, R., & Knecht, E. (1889). The chemistry of the coal-tar colours (2d ed.). G. Bell.

Cita Chicago Style (17a ed.)

Benedikt, Rudolf, y Edmund Knecht. The Chemistry of the Coal-tar Colours. 2d ed. London: G. Bell, 1889.

Cita MLA (8a ed.)

Benedikt, Rudolf, y Edmund Knecht. The Chemistry of the Coal-tar Colours. 2d ed. G. Bell, 1889.