Cita APA (7th ed.)
Barton, M., Sarsby, J., & Davis, J. Journey of Life: Human Life.
Cita Chicago (17th ed.)
Barton, Miles, Joanna Sarsby, i Josh Davis. Journey of Life: Human Life.
Cita MLA (9th ed.)
Barton, Miles, et al. Journey of Life: Human Life.
Atenció: Aquestes cites poden no estar 100% correctes.