APA (7th ed.) Citation

Hirth, W., & Heron-Maxwell, N. (1938). The art of soaring flight. Hirth.

Chicago Style (17th ed.) Citation

Hirth, Wolf, and Naomi Heron-Maxwell. The Art of Soaring Flight. Vaihingen-Stuttgart: Hirth, 1938.

MLA (9th ed.) Citation

Hirth, Wolf, and Naomi Heron-Maxwell. The Art of Soaring Flight. Hirth, 1938.

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