APA (7th ed.) Citation

Malkus, A., & Pitz, H. C. (1941). The citadel of a hundred stairways. Winston.

Chicago Style (17th ed.) Citation

Malkus, Alida, and Henry Clarence Pitz. The Citadel of a Hundred Stairways. Philadelphia: Winston, 1941.

MLA (9th ed.) Citation

Malkus, Alida, and Henry Clarence Pitz. The Citadel of a Hundred Stairways. Winston, 1941.

Warning: These citations may not always be 100% accurate.