APA (7th ed.) Citation

Okun, J., Hopkins, H., & Webb, M. (2007). Variations: The architecture photographs of Jenny Okun. Five Ties.

Chicago Style (17th ed.) Citation

Okun, Jenny, Henry Hopkins, and Michael Webb. Variations: The Architecture Photographs of Jenny Okun. New York: Five Ties, 2007.

MLA (9th ed.) Citation

Okun, Jenny, et al. Variations: The Architecture Photographs of Jenny Okun. Five Ties, 2007.