APA (7th ed.) Citation

Peck, O., Bouček, Z., & Hoffer, A. (1964). Keys to the Chalcidoidea of Czechoslovakia: (Insecta: Hymenoptera).

Chicago Style (17th ed.) Citation

Peck, Oswald, Zdeněk Bouček, and Augustin Hoffer. Keys to the Chalcidoidea of Czechoslovakia: (Insecta: Hymenoptera). [Ottawa], 1964.

MLA (9th ed.) Citation

Peck, Oswald, et al. Keys to the Chalcidoidea of Czechoslovakia: (Insecta: Hymenoptera). 1964.