APA ציטוט

Voska, E. V., & Irwin, W. (1941). Spy and counter-spy. George G. Harrap.

Chicago Style (17th ed.) Citation

Voska, Emanuel Victor, and Will Irwin. Spy and Counter-spy. London ; Sydney: George G. Harrap, 1941.

ציטוט MLA

Voska, Emanuel Victor, and Will Irwin. Spy and Counter-spy. George G. Harrap, 1941.