APA (7th ed.) Citation

Vergo, P. (1977). The Blue Rider / (text by) Peter Vergo. Phaidon (etc.).

Chicago Style (17th ed.) Citation

Vergo, Peter. The Blue Rider / (text by) Peter Vergo. Oxford: Phaidon (etc.), 1977.

MLA (9th ed.) Citation

Vergo, Peter. The Blue Rider / (text by) Peter Vergo. Phaidon (etc.), 1977.

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