APA
Summers R., . (1950). Essentials of New Testament Greek. Nashville: Broadman Press.
Chicago
Summers Ray, . 1950. Essentials of New Testament Greek. Nashville: Broadman Press.
Harvard
Summers R., . (1950). Essentials of New Testament Greek. Nashville: Broadman Press.
MLA
Summers Ray, . Essentials of New Testament Greek. Nashville: Broadman Press. 1950.