APA (7th ed.) Citation

Blaha, F. Janitschek at the left. Series of 2 photos.

Chicago Style (17th ed.) Citation

Blaha, Franz. Janitschek at the Left. Series of 2 Photos.

MLA (8th ed.) Citation

Blaha, Franz. Janitschek at the Left. Series of 2 Photos.

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