Cita APA (7a ed.)

易发久. (2011). 天助自助者: God helps those who help themselves. 凤凰出版社.

Cita Chicago Style (17a ed.)

易发久. 天助自助者: God Helps Those Who Help Themselves. 凤凰出版社, 2011.

Cita MLA (8a ed.)

易发久. 天助自助者: God Helps Those Who Help Themselves. 凤凰出版社, 2011.