APA Citation

Harkness, R. (1983). OTC handbook: What to recommend & why (2nd ed.). Oradell, New Jersey: Medical Economics Books.

Chicago Style Citation

Harkness, Richard. OTC Handbook: What to Recommend & Why. 2nd ed. Oradell, New Jersey: Medical Economics Books, 1983.

MLA Citation

Harkness, Richard. OTC Handbook: What to Recommend & Why. 2nd ed. Oradell, New Jersey: Medical Economics Books, 1983.

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