APA (7th ed.) Citation

(1993). 1993, 4. https://doi.org/https://doi.org/10.17192/ep1993.4.156

Chicago Style (17th ed.) Citation

1993, 4. 1993. https://dx.doi.org/https://doi.org/10.17192/ep1993.4.156.

MLA (8th ed.) Citation

1993, 4. 1993.

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