APA (7th ed.) Citation

Barnfield, F. A., & Bosch, H. I. S. (1988). No problem. Pupil's book A. Macmillan Publishers.

Chicago Style (17th ed.) Citation

Barnfield, Fred Autor, and Henk Ilustrador Saunders Bosch. No Problem. Pupil's Book A. Hong Kong,China: Macmillan Publishers, 1988.

MLA (9th ed.) Citation

Barnfield, Fred Autor, and Henk Ilustrador Saunders Bosch. No Problem. Pupil's Book A. Macmillan Publishers, 1988.