APA (7th ed.) Citation

Tomas, J. (1992). A great friendship. National Historical Institute.

Chicago Style (17th ed.) Citation

Tomas, Jindrich. A Great Friendship. Manila: National Historical Institute, 1992.

MLA (9th ed.) Citation

Tomas, Jindrich. A Great Friendship. National Historical Institute, 1992.

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