Cita APA (7th ed.)

Hub, U., Mühle, J., & Ragg-Kirkby, H. (2012). Meet at the ark at eight. Eerdmans Books for Young Readers.

Cita Chicago (17th ed.)

Hub, Ulrich, Jörg Mühle, i Helena Ragg-Kirkby. Meet at the Ark at Eight. Grand Rapids MI: Eerdmans Books for Young Readers, 2012.

Cita MLA (8th ed.)

Hub, Ulrich, et al. Meet at the Ark at Eight. Eerdmans Books for Young Readers, 2012.