APA (7th ed.) Citation

Jackson, B. S., Baines, V., & Peterson, R. T. (1999). Mindful of butterflies. Book Guild.

Chicago Style (17th ed.) Citation

Jackson, Bernard S., Valerie Baines, and Roger Tory Peterson. Mindful of Butterflies. Lewes, Sussex: Book Guild, 1999.

MLA (9th ed.) Citation

Jackson, Bernard S., et al. Mindful of Butterflies. Book Guild, 1999.