APA (7th ed.) Citation

Citrine, W. Letter (copy): International conference: Spain: March 10th-11th.

Chicago Style (17th ed.) Citation

Citrine, Walter. Letter (copy): International Conference: Spain: March 10th-11th.

MLA (8th ed.) Citation

Citrine, Walter. Letter (copy): International Conference: Spain: March 10th-11th.

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