Citazione APA

Patton, D. H., & Johnson, E. M. (1956). Spelling for word mastery: Clothbound and skilltext editions. C.E. Merrill.

Stile di citazione Chicago

Patton, David H., e Eleanor M. Johnson. Spelling for Word Mastery: Clothbound and Skilltext Editions. Columbus, Ohio: C.E. Merrill, 1956.

Citazione MLA

Patton, David H., e Eleanor M. Johnson. Spelling for Word Mastery: Clothbound and Skilltext Editions. C.E. Merrill, 1956.