APA (7th ed.) Citation

Clarke, R., & Parr, B. (1991). Mastering Spanish. Hippocrene.

Chicago Style (17th ed.) Citation

Clarke, R., and Betty Parr. Mastering Spanish. New York: Hippocrene, 1991.

MLA (9th ed.) Citation

Clarke, R., and Betty Parr. Mastering Spanish. Hippocrene, 1991.

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