APA (7th ed.) Citation

On occasion of Kautsky's 70th anniversary. Place of persons indicated under photo.

Chicago Style (17th ed.) Citation

On Occasion of Kautsky's 70th Anniversary. Place of Persons Indicated Under Photo.

MLA (8th ed.) Citation

On Occasion of Kautsky's 70th Anniversary. Place of Persons Indicated Under Photo.

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