APA (7th ed.) Citation

Humphreys, J. H. L., & Holman, R. (1983). Focus on the marathon / John Humphreys and Ron Holman. EP Publishing.

Chicago Style (17th ed.) Citation

Humphreys, John H. L., and Ron Holman. Focus on the Marathon / John Humphreys and Ron Holman. Wakefield: EP Publishing, 1983.

MLA (9th ed.) Citation

Humphreys, John H. L., and Ron Holman. Focus on the Marathon / John Humphreys and Ron Holman. EP Publishing, 1983.

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