APA (7th ed.) Citation

Čech, F. Academician G. N. Dolenko seventy years old.

Chicago Style (17th ed.) Citation

Čech, František. Academician G. N. Dolenko Seventy Years Old.

MLA (9th ed.) Citation

Čech, František. Academician G. N. Dolenko Seventy Years Old.

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