APA (7th ed.) Citation

Baldon, C., Melchior, I., & Shulman, J. (1989). Steps & stairways. Rizzoli.

Chicago Style (17th ed.) Citation

Baldon, Cleo, Ib Melchior, and Julius Shulman. Steps & Stairways. New York: Rizzoli, 1989.

MLA (9th ed.) Citation

Baldon, Cleo, et al. Steps & Stairways. Rizzoli, 1989.