APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (8e ed.) Bronvermelding

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

Let op: Deze citaties zijn niet altijd 100% accuraat.