APA (7th ed.) Citation

Letkemann, P. (1973). Crime as work. A spectrum book.

Chicago Style (17th ed.) Citation

Letkemann, Peter. "Crime as Work." A Spectrum Book 1973.

MLA (9th ed.) Citation

Letkemann, Peter. "Crime as Work." A Spectrum Book, 1973.

Warning: These citations may not always be 100% accurate.