APA (7th ed.) Citation

Calder, R. (1970). Leonardo and the age of the eye / by Ritchie Calder. Heinemann.

Chicago Style (17th ed.) Citation

Calder, Ritchie. Leonardo and the Age of the Eye / by Ritchie Calder. London: Heinemann, 1970.

MLA (9th ed.) Citation

Calder, Ritchie. Leonardo and the Age of the Eye / by Ritchie Calder. Heinemann, 1970.

Warning: These citations may not always be 100% accurate.