APA (7th ed.) Citation

Erdos, R. F. Establishing an institution teaching by correspondence. Unesco.

Chicago Style (17th ed.) Citation

Erdos, Renne F. Establishing an Institution Teaching by Correspondence. Unesco.

MLA (8th ed.) Citation

Erdos, Renne F. Establishing an Institution Teaching by Correspondence. Unesco.

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