APA (7th ed.) Citation

Troutman, P., & El Greco. (1964). El Greco. Spring Books.

Chicago Style (17th ed.) Citation

Troutman, Philip, and El Greco. El Greco. London: Spring Books, 1964.

MLA (9th ed.) Citation

Troutman, Philip, and El Greco. El Greco. Spring Books, 1964.

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