APA
SIMPSON GEORGE GAYLORD, . (1963). LIFE. LOND: ROUTLEDGE & KEGAN JPAUL.
Chicago
SIMPSON GEORGE GAYLORD, . 1963. LIFE. LOND: ROUTLEDGE & KEGAN JPAUL.
Harvard
SIMPSON GEORGE GAYLORD, . (1963). LIFE. LOND: ROUTLEDGE & KEGAN JPAUL.
MLA
SIMPSON GEORGE GAYLORD, . LIFE. LOND: ROUTLEDGE & KEGAN JPAUL. 1963.