APA (7th ed.) Citation

Shultz, E., & Simmons, W. (1959). Offices in the sky (1. ed.). Bobbs-Merrill.

Chicago Style (17th ed.) Citation

Shultz, Earle, and Walter Simmons. Offices in the Sky. 1. ed. Indianapolis [u.a.]: Bobbs-Merrill, 1959.

MLA (9th ed.) Citation

Shultz, Earle, and Walter Simmons. Offices in the Sky. 1. ed. Bobbs-Merrill, 1959.