Style de citation APA (7e éd.)

Engstrom, T. W., & Engstrom, T. W. (1984). The Christian leader's 60-second management guide. Word.

Style de citation Chicago (17e éd.)

Engstrom, Ted W., et Theodore Wilhelm Engstrom. The Christian Leader's 60-second Management Guide. Texas: Word, 1984.

Style de citation MLA (9e éd.)

Engstrom, Ted W., et Theodore Wilhelm Engstrom. The Christian Leader's 60-second Management Guide. Word, 1984.