APA (7th ed.) Citation

Edwards, E. P. (1976). 1976 supplement to Finding birds in Mexico (1968): Bird-finding information brought up-to-date. Edwards.

Chicago Style (17th ed.) Citation

Edwards, Ernest Preston. 1976 Supplement to Finding Birds in Mexico (1968): Bird-finding Information Brought Up-to-date. Sweet Briar, Va.: Edwards, 1976.

MLA (9th ed.) Citation

Edwards, Ernest Preston. 1976 Supplement to Finding Birds in Mexico (1968): Bird-finding Information Brought Up-to-date. Edwards, 1976.