APA
EMMEL. THOMAS C. [ET AL], . (1976). Butterflies : Their World, Their Life Cycle, Their Behavior. LONDON: THAMES AND HUDSON.
Chicago
EMMEL. THOMAS C. [ET AL], . 1976. Butterflies : Their World, Their Life Cycle, Their Behavior. LONDON: THAMES AND HUDSON.
Harvard
EMMEL. THOMAS C. [ET AL], . (1976). Butterflies : Their World, Their Life Cycle, Their Behavior. LONDON: THAMES AND HUDSON.
MLA
EMMEL. THOMAS C. [ET AL], . Butterflies : Their World, Their Life Cycle, Their Behavior. LONDON: THAMES AND HUDSON. 1976.
TextPublication details: LONDON 1976 THAMES AND HUDSONUniform titles: 
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