APA (7th ed.) Citation

Orenstein, R. I., & Marent, T. (2015). Butterflies. Firefly Books.

Chicago Style (17th ed.) Citation

Orenstein, Ronald I., and Thomas Marent. Butterflies. Richmond Hill, Ontario: Firefly Books, 2015.

MLA (8th ed.) Citation

Orenstein, Ronald I., and Thomas Marent. Butterflies. Firefly Books, 2015.

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