APA (7th ed.) Citation

Middleton, J. S., & Citrine, W. Save the Basque children (circular).

Chicago Style (17th ed.) Citation

Middleton, J. S., and Walter Citrine. Save the Basque Children (circular).

MLA (8th ed.) Citation

Middleton, J. S., and Walter Citrine. Save the Basque Children (circular).

Warning: These citations may not always be 100% accurate.