Cita APA (7th ed.)
Lich, G. E. (1990). Fred Gipson at work. Texas A & M Univ..
Cita Chicago (17th ed.)
Lich, Glen E. Fred Gipson at Work. Texas: Texas A & M Univ., 1990.
Cita MLA (9th ed.)
Lich, Glen E. Fred Gipson at Work. Texas A & M Univ., 1990.
Atenció: Aquestes cites poden no estar 100% correctes.