APA (7e ed.) Bronvermelding

Rogers, T. (1973). Easy to be hard: By Tom Rogers. Surrey.

Chicago (17e ed.) Bronvermelding

Rogers, Tom. Easy to Be Hard: By Tom Rogers. San Diego, Calif.: Surrey, 1973.

MLA (8e ed.) Bronvermelding

Rogers, Tom. Easy to Be Hard: By Tom Rogers. Surrey, 1973.