APA (7th ed.) Citation

Von Hagen, V. W. (1948). The green world of the naturalists: A treasury of... Greenberg.

Chicago Style (17th ed.) Citation

Von Hagen, Victor Wofgang. The Green World of the Naturalists: A Treasury of... New York: Greenberg, 1948.

MLA (9th ed.) Citation

Von Hagen, Victor Wofgang. The Green World of the Naturalists: A Treasury of... Greenberg, 1948.

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