APA (7th ed.) Citation

(1961). Larus ridibundus (Laridae): Pair formation. Inst. für den Wiss. Film.

Chicago Style (17th ed.) Citation

Larus Ridibundus (Laridae): Pair Formation. Göttingen: Inst. für den Wiss. Film, 1961.

MLA (9th ed.) Citation

Larus Ridibundus (Laridae): Pair Formation. Inst. für den Wiss. Film, 1961.

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