APA (7th ed.) Citation

Callen, A. (1987). Techniques of the impressionists. New Burlington Books.

Chicago Style (17th ed.) Citation

Callen, Anthea. Techniques of the Impressionists. London: New Burlington Books, 1987.

MLA (8th ed.) Citation

Callen, Anthea. Techniques of the Impressionists. New Burlington Books, 1987.

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