(美)克丽丝塔·劳森(Kristan Lawson)著. (2020). 达尔文的自然观：his life and ideas with 21 activities. 北京联合出版公司.
Chicago Style (17th ed.) Citation(美)克丽丝塔·劳森(Kristan Lawson)著. 达尔文的自然观：his Life and Ideas with 21 Activities. 北京联合出版公司, 2020.
Cita MLA(美)克丽丝塔·劳森(Kristan Lawson)著. 达尔文的自然观：his Life and Ideas with 21 Activities. 北京联合出版公司, 2020.
Atenció: Aquestes cites poden no estar 100% correctes.