Cita APA (7a ed.)

KNIGHTLEY P. (1980). PHILBY - THE SPY WHO BETRAYED A GENERATION. SPHERE BOOKS LTD.

Cita Chicago Style (17a ed.)

KNIGHTLEY P. PHILBY - THE SPY WHO BETRAYED A GENERATION. LONDON: SPHERE BOOKS LTD, 1980.

Cita MLA (9a ed.)

KNIGHTLEY P. PHILBY - THE SPY WHO BETRAYED A GENERATION. SPHERE BOOKS LTD, 1980.