APA (7th ed.) Citation

Manley, W. B., & Allcard, H. G. (1970). A field guide to the butterflies and burnets of Spain. Classey.

Chicago Style (17th ed.) Citation

Manley, William B., and H. G. Allcard. A Field Guide to the Butterflies and Burnets of Spain. Hampton: Classey, 1970.

MLA (9th ed.) Citation

Manley, William B., and H. G. Allcard. A Field Guide to the Butterflies and Burnets of Spain. Classey, 1970.