APA (7th ed.) Citation

Hoellering, F. (1941). The defenders. George Routledge.

Chicago Style (17th ed.) Citation

Hoellering, Franz. The Defenders. London: George Routledge, 1941.

MLA (8th ed.) Citation

Hoellering, Franz. The Defenders. George Routledge, 1941.

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