APA (7th ed.) Citation

Olsen, R. E. (1978). Carlos Marx. Twayne.

Chicago Style (17th ed.) Citation

Olsen, Richard E. Carlos Marx. Twayne, 1978.

MLA (9th ed.) Citation

Olsen, Richard E. Carlos Marx. Twayne, 1978.

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