APA Citation

Mackin, R., & Mackin, R. (1976). A short course in spoken English ([1. edition].). Portland, Or.: English Language Services.

Chicago Style Citation

Mackin, Ronald, and Ronald Mackin. A Short Course in Spoken English. [1. edition]. Portland, Or.: English Language Services, 1976.

MLA Citation

Mackin, Ronald, and Ronald Mackin. A Short Course in Spoken English. [1. edition]. Portland, Or.: English Language Services, 1976.

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