APA (7th ed.) Citation

Castenson, P. E. (1974). Postpartum serum progesterone and 20 †-hydroxyprogesterone in nonsuckled primiparous Hereford heifers. [publisher not identified].

Chicago Style (17th ed.) Citation

Castenson, Paul Edward. Postpartum Serum Progesterone and 20 †-hydroxyprogesterone in Nonsuckled Primiparous Hereford Heifers. [College Station, Tex.]: [publisher not identified], 1974.

MLA (9th ed.) Citation

Castenson, Paul Edward. Postpartum Serum Progesterone and 20 †-hydroxyprogesterone in Nonsuckled Primiparous Hereford Heifers. [publisher not identified], 1974.