Cita APA (7a ed.)

Heder, T. (2017). Alfie: (the turtle that disappeared). Abrams Books for Young Readers.

Cita Chicago Style (17a ed.)

Heder, Thyra. Alfie: (the Turtle That Disappeared). New York: Abrams Books for Young Readers, 2017.

Cita MLA (8a ed.)

Heder, Thyra. Alfie: (the Turtle That Disappeared). Abrams Books for Young Readers, 2017.

Precaución: Estas citas no son 100% exactas.