Citazione APA

Gerard, J. (1889). Science and Scientists: Some Papers on Natural History: No. VI. Instinct and Its Lessons. London.

Stile di citazione Chicago

Gerard, John. Science and Scientists: Some Papers on Natural History: No. VI. Instinct and Its Lessons. London, 1889.

Citazione MLA

Gerard, John. Science and Scientists: Some Papers on Natural History: No. VI. Instinct and Its Lessons. London, 1889.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.