APA (7th ed.) Citation

Petrunkevitch, A. (1942). A study of amber spiders. Connecticut academy of arts and sciences.

Chicago Style (17th ed.) Citation

Petrunkevitch, Alexander. A Study of Amber Spiders. New Haven, Conn.: Connecticut academy of arts and sciences, 1942.

MLA (8th ed.) Citation

Petrunkevitch, Alexander. A Study of Amber Spiders. Connecticut academy of arts and sciences, 1942.

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