Kramer, V. (2015). Painted Lady Butterflies and the Proboscis. https://oaks.kent.edu/node/4816
Kramer, Valerie. 2015. “Painted Lady Butterflies and the Proboscis”. https://oaks.kent.edu/node/4816.
Kramer, V. Painted Lady Butterflies and the Proboscis. 24 Apr. 2015, https://oaks.kent.edu/node/4816.