Cita APA (7th ed.)

BAY BOOKS SYDNEY. (1972). Encyclopedia of the animal world 3: Biological control-bull snakes. BAY books Sydney.

Cita Chicago (17th ed.)

BAY BOOKS SYDNEY. Encyclopedia of the Animal World 3: Biological Control-bull Snakes. Sydney: BAY books Sydney, 1972.

Cita MLA (9th ed.)

BAY BOOKS SYDNEY. Encyclopedia of the Animal World 3: Biological Control-bull Snakes. BAY books Sydney, 1972.