Cita APA

Fowler, W. S., Pidcock, J., & Yorkey, R. C. Incentive themes. Book 4, teacher´s edition.

Citación estilo Chicago

Fowler, W. S., J. Pidcock, and Richard C. Yorkey. Incentive Themes. Book 4, Teacher´s Edition.

Cita MLA

Fowler, W. S., et al. Incentive Themes. Book 4, Teacher´s Edition.