APA (7th ed.) Citation

Lovell, S. P., & Hurel, G. (1963). Operation services secrets: (Of spies strategems). Del Duca.

Chicago Style (17th ed.) Citation

Lovell, Stanley P., and Geneviève Hurel. Operation Services Secrets: (Of Spies Strategems). Paris: Del Duca, 1963.

MLA (9th ed.) Citation

Lovell, Stanley P., and Geneviève Hurel. Operation Services Secrets: (Of Spies Strategems). Del Duca, 1963.

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