APA (7th ed.) Citation

Rand, A. (1993). The fountainhead (25th Anniversary ed.). Signet Books An Imprint of New American Library.

Chicago Style (17th ed.) Citation

Rand, Ayn. The Fountainhead. 25th Anniversary ed. New York: Signet Books An Imprint of New American Library, 1993.

MLA (9th ed.) Citation

Rand, Ayn. The Fountainhead. 25th Anniversary ed. Signet Books An Imprint of New American Library, 1993.