APA

Peterson (Roger Tory), . (1977). Young Readers Library: The Birds. : .

Chicago

Peterson (Roger Tory), . 1977. Young Readers Library: The Birds. : .

Harvard

Peterson (Roger Tory), . (1977). Young Readers Library: The Birds. : .

MLA

Peterson (Roger Tory), . Young Readers Library: The Birds. : . 1977.