APA (7e ed.) Bronvermelding

Forster, A., & Epstein, B. R. (1956). Cross-currents: By Arnold Forster and Benjamin R. Epstein. Doubleday & Co..

Chicago (17e ed.) Bronvermelding

Forster, Arnold, en Benjamin R. Epstein. Cross-currents: By Arnold Forster and Benjamin R. Epstein. Garden City, NY: Doubleday & Co., 1956.

MLA (8e ed.) Bronvermelding

Forster, Arnold, en Benjamin R. Epstein. Cross-currents: By Arnold Forster and Benjamin R. Epstein. Doubleday & Co., 1956.