Cita APA

Williams, M., & Williams, M. (1976). A Prefaces to Hardy ([1. edition].). New York, New York: Longman.

Citación estilo Chicago

Williams, Merryn, y Merryn Williams. A Prefaces to Hardy. [1. edition]. New York, New York: Longman, 1976.

Cita MLA

Williams, Merryn, y Merryn Williams. A Prefaces to Hardy. [1. edition]. New York, New York: Longman, 1976.