APA

Sheppare C., .Skycarapers:masterpieces of architecture. New York: Tadtri.

Chicago

Sheppare Charles, .Skycarapers:masterpieces of architecture. New York: Tadtri.

Harvard

Sheppare C., .Skycarapers:masterpieces of architecture. New York: Tadtri.

MLA

Sheppare Charles, .New York: Tadtri. .