APA (7th ed.) Citation

Langdon, H. (1986). Impressionist seasons / Helen Langdon. Phaidon.

Chicago Style (17th ed.) Citation

Langdon, Helen. Impressionist Seasons / Helen Langdon. Oxford: Phaidon, 1986.

MLA (9th ed.) Citation

Langdon, Helen. Impressionist Seasons / Helen Langdon. Phaidon, 1986.

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