APA Edition Citation

Collings, G. H. (1955). Commercial fertilizers: Thier source and ease (5.). Mc Graw- Hill Book Company Inc.

Chicago Edition Citation

Collings, Gilbert H. Commercial Fertilizers: Thier Source and Ease. 5. New York: Mc Graw- Hill Book Company Inc, 1955.

MLA Edition Citation

Collings, Gilbert H. Commercial Fertilizers: Thier Source and Ease. 5. Mc Graw- Hill Book Company Inc, 1955.

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