APA (7th ed.) Citation

Von Schon, C. V. (1978). The origin of phrasal verbs in English. Univ. Microfilms Internat.

Chicago Style (17th ed.) Citation

Von Schon, Catherine V. The Origin of Phrasal Verbs in English. Ann Arbor, Mich: Univ. Microfilms Internat, 1978.

MLA (9th ed.) Citation

Von Schon, Catherine V. The Origin of Phrasal Verbs in English. Univ. Microfilms Internat, 1978.