APA (7th ed.) Citation

Ferguson, P. W., & Robinson, S. P. (1977). A study skills guide (Cub. como sustituto de port.). Prince George's Community College.

Chicago Style (17th ed.) Citation

Ferguson, P. Warren, and Susan Porter Robinson. A Study Skills Guide. Cub. como sustituto de port. [S.l.]: Prince George's Community College, 1977.

MLA (9th ed.) Citation

Ferguson, P. Warren, and Susan Porter Robinson. A Study Skills Guide. Cub. como sustituto de port. Prince George's Community College, 1977.