APA (7th ed.) Citation

Marin, D., & Marin, F. (1962). Spanish verb drill exercises. Book Soc. of Canada.

Chicago Style (17th ed.) Citation

Marin, Diego, and Frances Marin. Spanish Verb Drill Exercises. Agincourt: Book Soc. of Canada, 1962.

MLA (8th ed.) Citation

Marin, Diego, and Frances Marin. Spanish Verb Drill Exercises. Book Soc. of Canada, 1962.